United States flag Ontario Airport (ONT)

Country United States | North America | Regional Hub | IATA: ONT | ICAO: KONT | Elevation 944 ft · 288 m | Local time —

Destinations
65
Flights / day
123
Busiest route
Phoenix
Top airline
Southwest Airlines

Ontario Airport averages 123 flights per day to 65 destinations, with 57 domestic routes and eight international routes. A total of 34 airlines operate at ONT, led by Southwest Airlines. This airport provides direct service to five countries across two continents, with Mexico representing its largest international market. The longest nonstop route from Ontario connects to Fuzhou, with a typical flight time of 13 hr 55 mins. Updated: October 11, 2026

Route Network

Ontario Airport connects 65 destinations worldwide, with Phoenix standing out as its busiest route. The longest nonstop flight is to Fuzhou, and the shortest flight is to Tijuana.

United States of America flag Phoenix (PHX) – United States of America 5 airlines
1 hr 30 mins
324 mi · 521 km
11
per day
United States of America flag Denver (DEN) – United States of America 3 airlines
2 hr 35 mins
818 mi · 1,316 km
9
per day
United States of America flag Las Vegas (LAS) – United States of America 3 airlines
1 hr 15 mins
197 mi · 317 km
8
per day
United States of America flag Seattle (SEA) – United States of America 3 airlines
3 hr 5 mins
957 mi · 1,540 km
8
per day
United States of America flag Dallas-Fort Worth (DFW) – United States of America 2 airlines
3 hr 15 mins
1,186 mi · 1,908 km
8
per day
United States of America flag Sacramento (SMF) – United States of America 1 airline
2 hr 0 mins
390 mi · 627 km
7
per day
United States of America flag San Francisco (SFO) – United States of America 3 airlines
2 hr 0 mins
363 mi · 585 km
6
per day
United States of America flag Honolulu (HNL) – United States of America 3 airlines
6 hr 25 mins
2,600 mi · 4,184 km
5
per day
United States of America flag San Jose (SJC) – United States of America 3 airlines
1 hr 55 mins
333 mi · 536 km
5
per day
United States of America flag Salt Lake City (SLC) – United States of America 1 airline
2 hr 5 mins
558 mi · 898 km
4
per day
United States of America flag Oakland (OAK) – United States of America 1 airline
2 hr 0 mins
362 mi · 582 km
4
per day
United States of America flag Atlanta (ATL) – United States of America 1 airline
4 hr 35 mins
1,895 mi · 3,050 km
3
per day
United States of America flag Houston (IAH) – United States of America 3 airlines
3 hr 30 mins
1,331 mi · 2,142 km
3
per day
United States of America flag Portland (PDX) – United States of America 1 airline
2 hr 55 mins
839 mi · 1,351 km
3
per day
United States of America flag Santa Barbara (SBA) – United States of America 5 airlines
1 hr 30 mins
130 mi · 210 km
3
per day
Mexico flag Guadalajara (GDL) – Mexico 1 airline
3 hr 30 mins
1,279 mi · 2,059 km
2
per day
Mexico flag Tijuana (TIJ) – Mexico 2 airlines
1 hr 10 mins
111 mi · 178 km
2
per day
United States of America flag San Luis Obispo (SBP) – United States of America 3 airlines
1 hr 35 mins
191 mi · 308 km
2
per day
Taiwan flag Taipei (TPE) – Taiwan 2 airlines
13 hr 50 mins
6,818 mi · 10,973 km
2
per day
United States of America flag Bakersfield (BFL) – United States of America 2 airlines
1 hr 25 mins
126 mi · 203 km
2
per day
United States of America flag Santa Maria (SMX) – United States of America 2 airlines
1 hr 35 mins
173 mi · 278 km
2
per day
United States of America flag Dallas (DAL) – United States of America 3 airlines
3 hr 15 mins
1,197 mi · 1,926 km
1
per day
United States of America flag Austin (AUS) – United States of America 2 airlines
3 hr 15 mins
1,194 mi · 1,922 km
1
per day
United States of America flag Chicago (MDW) – United States of America 1 airline
4 hr 15 mins
1,702 mi · 2,740 km
1
per day
United States of America flag Lancaster (WJF) – United States of America 2 airlines
1 hr 10 mins
59 mi · 95 km
1
per day
United States of America flag Boise (BOI) – United States of America 1 airline
2 hr 25 mins
661 mi · 1,064 km
1
per day
United States of America flag Chicago (ORD) – United States of America 1 airline
4 hr 15 mins
1,697 mi · 2,730 km
1
per day
United States of America flag Houston (HOU) – United States of America 1 airline
3 hr 35 mins
1,342 mi · 2,160 km
1
per day
United States of America flag Nashville (BNA) – United States of America 1 airline
4 hr 20 mins
1,747 mi · 2,811 km
1
per day
United States of America flag New York (JFK) – United States of America 1 airline
5 hr 35 mins
2,424 mi · 3,901 km
1
per day
United States of America flag Santa Rosa (STS) – United States of America 1 airline
2 hr 5 mins
423 mi · 680 km
1
per day
United States of America flag Charlotte (CLT) – United States of America 1 airline
4 hr 55 mins
2,074 mi · 3,337 km
1
per day
United States of America flag Fort Worth (AFW) – United States of America 1 airline
3 hr 15 mins
1,169 mi · 1,881 km
1
per day
United States of America flag Kahului (OGG) – United States of America 1 airline
6 hr 15 mins
2,530 mi · 4,071 km
1
per day
United States of America flag Wilmington (ILN) – United States of America 1 airline
—
ONT → ILN
1
per day
United States of America flag Blythe (BLH) – United States of America 1 airline
—
ONT → BLH
5
per week
United States of America flag Inyokern (IYK) – United States of America 1 airline
—
ONT → IYK
5
per week
United States of America flag Cincinnati (CVG) – United States of America 2 airlines
4 hr 30 mins
1,850 mi · 2,977 km
4
per week
United States of America flag Las Vegas (HSH) – United States of America 1 airline
1 hr 15 mins
192 mi · 310 km
4
per week
United States of America flag Scottsdale (SCF) – United States of America 2 airlines
1 hr 30 mins
328 mi · 528 km
4
per week
Mexico flag Morelia (MLM) – Mexico 1 airline
3 hr 45 mins
1,412 mi · 2,273 km
3
per week
United States of America flag Santa Ana (SNA) – United States of America 1 airline
1 hr 10 mins
30 mi · 49 km
3
per week
El Salvador flag Santa Clara (SAL) – El Salvador 1 airline
5 hr 20 mins
2,285 mi · 3,677 km
3
per week
Mexico flag Silao (BJX) – Mexico 1 airline
3 hr 35 mins
1,335 mi · 2,148 km
3
per week
China flag Fuzhou (FOC) – China 1 airline
13 hr 55 mins
6,846 mi · 11,018 km
2
per week
United States of America flag Rochester (RST) – United States of America 1 airline
—
ONT → RST
2
per week
United States of America flag San Bernardino (SBD) – United States of America 1 airline
1 hr 10 mins
21 mi · 34 km
2
per week
United States of America flag San Diego (SAN) – United States of America 2 airlines
1 hr 10 mins
94 mi · 152 km
2
per week
United States of America flag Bedford (BED) – United States of America 1 airline
—
ONT → BED
1
per week
United States of America flag Boca Raton (BCT) – United States of America 1 airline
—
ONT → BCT
1
per week
United States of America flag Bozeman (BZN) – United States of America 1 airline
2 hr 50 mins
878 mi · 1,413 km
1
per week
United States of America flag Bullhead City (IFP) – United States of America 1 airline
—
ONT → IFP
1
per week
United States of America flag Fort Worth (FTW) – United States of America 1 airline
—
ONT → FTW
1
per week
United States of America flag Garden City (GCK) – United States of America 1 airline
—
ONT → GCK
1
per week
Mexico flag Hermosillo (HMO) – Mexico 1 airline
—
ONT → HMO
1
per week
United States of America flag Imperial (IPL) – United States of America 1 airline
1 hr 10 mins
144 mi · 232 km
1
per week
United States of America flag Los Angeles (LAX) – United States of America 1 airline
1 hr 15 mins
47 mi · 75 km
1
per week
United States of America flag Midland (MDD) – United States of America 1 airline
—
ONT → MDD
1
per week
United States of America flag North Bend (OTH) – United States of America 1 airline
—
ONT → OTH
1
per week
United States of America flag Phoenix (DVT) – United States of America 1 airline
1 hr 25 mins
318 mi · 511 km
1
per week
United States of America flag Rogers (ROG) – United States of America 1 airline
—
ONT → ROG
1
per week
United States of America flag San Diego (NZY) – United States of America 1 airline
—
ONT → NZY
1
per week
United States of America flag Upland (CCB) – United States of America 1 airline
—
ONT → CCB
1
per week
United States of America flag Van Nuys (VNY) – United States of America 1 airline
1 hr 15 mins
52 mi · 84 km
1
per week
United States of America flag Visalia (VIS) – United States of America 1 airline
—
ONT → VIS
1
per week

Route and destination data updated October 11, 2026.

Ontario Airport is served by 34 airlines, with Southwest Airlines in the lead at 13% of routes. The top three carriers together cover 29% of routes. 17 carriers operate only one route each. A total of seven airlines operate international routes, compared with 27 airlines serving domestic routes. China Central Airlines is operating the longest nonstop flight, connecting to Fuzhou with a flight time of 13 hrs 55 mins.

Southwest Airlines (13 routes)
ATI (9 routes)
Ameriflight (7 routes)
West Air (USA) (7 routes)
Frontier Airlines (6 routes)
Alaska Airlines (6 routes)
Flexjet (5 routes)
American Airlines (4 routes)
United Airlines (4 routes)
NetJets Aviation (4 routes)
Delta Air Lines (4 routes)
YEL (3 routes)
Volaris (3 routes)
Libyan Airlines (3 routes)
Empire Airlines (2 routes)
TAA (2 routes)
PFT (2 routes)
AirSprint (1 routes)
NJZ (1 routes)
CTP (1 routes)
PCN (1 routes)
PPQ (1 routes)
NEW (1 routes)
China Airlines (1 routes)
Starlux Airlines (1 routes)
American Jet International (1 routes)
JetBlue Airways (1 routes)
Avianca (1 routes)
China Central Airlines (1 routes)
Sun Country Airlines (1 routes)
Executive Jet Management (1 routes)
ASI (1 routes)
Porter Airlines (1 routes)
BLK (1 routes)

Ontario Airport provides direct service to five countries across two continents. The route network is 88% domestic and 12% international. Mexico is the primary international destination.

United States of America - 115/day
Mexico - 5/day
Taiwan - 2/day
El Salvador - 0/day
China - 0/day

Delays

Global  Delays
Delay Performance (24 hour average)
Departures
10 min late
3 min (-24.9%) vs last 24 hours
24h trend
Arrivals
1 min late
12 min (-89.3%) vs last 24 hours
24h trend
Cancelled Departures
0 flights (24 hour total)

Oct 18

2026

09:00 - 10:00

Departure
7 min late
Arrival
17 min late
Cancelled
0

Oct 18

2026

08:00 - 09:00

Departure
6 min late
Arrival
15 min late
Cancelled
0

Oct 18

2026

07:00 - 08:00

Departure
on-time
Arrival
on-time
Cancelled
0

Oct 18

2026

06:00 - 07:00

Departure
6 min late
Arrival
on-time
Cancelled
0

Oct 18

2026

05:00 - 06:00

Departure
on-time
Arrival
2 min early
Cancelled
0

Oct 18

2026

04:00 - 05:00

Departure
on-time
Arrival
8 min early
Cancelled
0

Oct 18

2026

03:00 - 04:00

Departure
1 hr 1 min late
Arrival
1 min early
Cancelled
0

Oct 18

2026

02:00 - 03:00

Departure
on-time
Arrival
on-time
Cancelled
0

Oct 18

2026

01:00 - 02:00

Departure
10 min late
Arrival
2 min early
Cancelled
0

Oct 18

2026

00:00 - 01:00

Departure
14 min late
Arrival
3 min early
Cancelled
0

Oct 17

2026

23:00 - 00:00

Departure
13 min late
Arrival
4 min late
Cancelled
0

Oct 17

2026

22:00 - 23:00

Departure
17 min late
Arrival
22 min late
Cancelled
0

Oct 17

2026

21:00 - 22:00

Departure
10 min late
Arrival
11 min late
Cancelled
0

Oct 17

2026

20:00 - 21:00

Departure
13 min late
Arrival
on-time
Cancelled
0

Oct 17

2026

19:00 - 20:00

Departure
10 min late
Arrival
on-time
Cancelled
0

Oct 17

2026

18:00 - 19:00

Departure
5 min late
Arrival
on-time
Cancelled
0

Oct 17

2026

17:00 - 18:00

Departure
19 min late
Arrival
on-time
Cancelled
0

Oct 17

2026

16:00 - 17:00

Departure
8 min late
Arrival
on-time
Cancelled
0

Oct 17

2026

15:00 - 16:00

Departure
8 min late
Arrival
on-time
Cancelled
0

Oct 17

2026

14:00 - 15:00

Departure
9 min late
Arrival
12 min late
Cancelled
0

Oct 17

2026

13:00 - 14:00

Departure
3 min late
Arrival
on-time
Cancelled
0

Oct 17

2026

12:00 - 13:00

Departure
on-time
Arrival
on-time
Cancelled
0

Oct 17

2026

11:00 - 12:00

Departure
—
Arrival
on-time
Cancelled
0

Oct 17

2026

10:00 - 11:00

Departure
on-time
Arrival
on-time
Cancelled
0
Delay Performance (7 day average)
Departures
12 min late
5 min (+66.6%) vs last week
7d trend
Arrivals
9 min late
9 min (+9,162.8%) vs last week
7d trend
Cancelled Departures
0 flights (7 day total)

Oct 17

2026

Departure
14 min late
Arrival
12 min late
Cancelled
0

Oct 16

2026

Departure
12 min late
Arrival
13 min late
Cancelled
0

Oct 15

2026

Departure
15 min late
Arrival
12 min late
Cancelled
0

Oct 14

2026

Departure
10 min late
Arrival
5 min late
Cancelled
0

Oct 13

2026

Departure
10 min late
Arrival
7 min late
Cancelled
0

Oct 12

2026

Departure
10 min late
Arrival
9 min late
Cancelled
0

Oct 11

2026

Departure
10 min late
Arrival
1 min early
Cancelled
0
Delay Performance (30 day average)
Departures
10 min late
1 min (-11%) vs last 30 days
30d trend
Arrivals
3 min late
5 min (+269.7%) vs last 30 days
30d trend
Cancelled Departures
0 flights (30 day total)

Oct 17

2026

Departure
14 min late
Arrival
12 min late
Cancelled
0

Oct 16

2026

Departure
12 min late
Arrival
13 min late
Cancelled
0

Oct 15

2026

Departure
15 min late
Arrival
12 min late
Cancelled
0

Oct 14

2026

Departure
10 min late
Arrival
5 min late
Cancelled
0

Oct 13

2026

Departure
10 min late
Arrival
7 min late
Cancelled
0

Oct 12

2026

Departure
10 min late
Arrival
9 min late
Cancelled
0

Oct 11

2026

Departure
10 min late
Arrival
1 min early
Cancelled
0

Oct 10

2026

Departure
9 min late
Arrival
4 min late
Cancelled
0

Oct 9

2026

Departure
10 min late
Arrival
on-time
Cancelled
0

Oct 8

2026

Departure
9 min late
Arrival
2 min early
Cancelled
0

Oct 7

2026

Departure
5 min late
Arrival
4 min early
Cancelled
0

Oct 6

2026

Departure
8 min late
Arrival
2 min late
Cancelled
0

Oct 5

2026

Departure
5 min late
Arrival
1 min late
Cancelled
0

Oct 4

2026

Departure
6 min late
Arrival
2 min early
Cancelled
0

Oct 3

2026

Departure
12 min late
Arrival
on-time
Cancelled
0

Oct 2

2026

Departure
10 min late
Arrival
8 min late
Cancelled
0

Oct 1

2026

Departure
6 min late
Arrival
4 min early
Cancelled
0

Sep 30

2026

Departure
7 min late
Arrival
2 min early
Cancelled
0

Sep 29

2026

Departure
12 min late
Arrival
7 min late
Cancelled
0

Sep 28

2026

Departure
7 min late
Arrival
4 min late
Cancelled
0

Sep 27

2026

Departure
7 min late
Arrival
4 min early
Cancelled
0

Sep 26

2026

Departure
7 min late
Arrival
11 min late
Cancelled
0

Sep 25

2026

Departure
11 min late
Arrival
4 min late
Cancelled
0

Sep 24

2026

Departure
6 min late
Arrival
2 min early
Cancelled
0

Sep 23

2026

Departure
6 min late
Arrival
3 min early
Cancelled
0

Sep 22

2026

Departure
11 min late
Arrival
on-time
Cancelled
0

Sep 21

2026

Departure
13 min late
Arrival
3 min late
Cancelled
0

Sep 20

2026

Departure
11 min late
Arrival
2 min early
Cancelled
0

Sep 19

2026

Departure
11 min late
Arrival
2 min late
Cancelled
0

Sep 18

2026

Departure
16 min late
Arrival
5 min late
Cancelled
0

Global Rankings

Worldwide Position

Flights per day

#237 (123 flights/day)
Top 100 Busiest Airports in the World
Worldwide Position

Most destinations

#309 (65 destinations)
Top 100 Airports with Most Destinations

Runways

Runway Length Width Surface
12,234 ft 3,729 m 151 ft 46 m Concrete
12,234 ft 3,729 m 151 ft 46 m Concrete
10,200 ft 3,109 m 150 ft 46 m Closed
10,223 ft 3,116 m 151 ft 46 m Concrete
10,223 ft 3,116 m 151 ft 46 m Concrete

Runway Length

Runways at Ontario Airport are long enough for all aircraft with known takeoff and landing distances.

Operational Context

Ontario (IATA: ONT) operates around 123 flights per day to 65 nonstop destinations. Its network includes 57 domestic and 8 international routes, with Southwest Airlines as the leading carrier and Phoenix currently the busiest connection. From ONT, passengers can reach 5 countries across 2 continents, and the longest runway measures 3,729 m (12,234 ft).

Miscellaneous