These monthly airport performance reports rank qualified airports using aggregated departure delay and cancellation data from AeroCorner’s airport analytics pipeline. Airports must meet a minimum tracked-flight threshold to appear in the rankings. For continuously updated 24-hour, 7-day, and 30-day rankings, see the live airport delays dashboard.
Flight Delay Report — July 2026
In July 2026, Sochi (AER) recorded the longest typical departure delays among qualified airports, with departures averaging 1 hour 10 minutes late. A total of 124 departures were cancelled, representing 2.1% of tracked flights. This monthly view reflects tracked data through July 31, 2026.
Kazan (KZN) ranked second while handling a comparable number of tracked departures, with 3,443 flights compared with 5,801 at Sochi (AER). Despite the similar traffic levels, Sochi (AER) remained the worst-performing airport for delays for six straight months.
Airport Delay Rankings — July 2026
- Average delay
- 1h 10m 1 hour 10 min late
- Cancelled
- 124 (2.1%)
- Average delay
- 55m 55 min late
- Cancelled
- 80 (2.3%)
- Average delay
- 51m 51 min late
- Cancelled
- 33 (0.6%)
- Average delay
- 48m 48 min late
- Cancelled
- 48 (1.4%)
- Average delay
- 45m 45 min late
- Cancelled
- 47 (1.4%)
- Average delay
- 41m 41 min late
- Cancelled
- 137 (3.6%)
- Average delay
- 33m 33 min late
- Cancelled
- 0 (0.0%)
- Average delay
- 31m 31 min late
- Cancelled
- 254 (2.7%)
- Average delay
- 31m 31 min late
- Cancelled
- 0 (0.0%)
- Average delay
- 30m 30 min late
- Cancelled
- 0 (0.0%)
| Rank | Airport | Average Delay | Cancelled |
|---|---|---|---|
| 1 |
|
1h 10m 1 hour 10 min late | 124 (2.1%) |
| 2 |
|
55m 55 min late | 80 (2.3%) |
| 3 |
|
51m 51 min late | 33 (0.6%) |
| 4 |
|
48m 48 min late | 48 (1.4%) |
| 5 |
|
45m 45 min late | 47 (1.4%) |
| 6 |
|
41m 41 min late | 137 (3.6%) |
| 7 |
|
33m 33 min late | 0 (0.0%) |
| 8 |
|
31m 31 min late | 254 (2.7%) |
| 9 |
|
31m 31 min late | 0 (0.0%) |
| 10 |
|
30m 30 min late | 0 (0.0%) |
Worst Airports for Flight Delays by Month
Month-by-month leaders for this ranking, based on daily rollup data and minimum tracked-flight thresholds.
- Average delay
- 1h 10m 1 hour 10 min late
- Cancelled
- 124 (2.1%)
- Average delay
- 3h 2m 3 hours 2 min late
- Cancelled
- 464 (6.9%)
- Average delay
- 1h 5m 1 hour 5 min late
- Cancelled
- 160 (3.2%)
- Average delay
- 47m 47 min late
- Cancelled
- 68 (1.8%)
- Average delay
- 1h 31m 1 hour 31 min late
- Cancelled
- 270 (5.8%)
- Average delay
- 45m 45 min late
- Cancelled
- 214 (5.8%)
- Average delay
- 51m 51 min late
- Cancelled
- 152 (1.9%)
| Month | Airport | Average Delay | Cancelled |
|---|---|---|---|
| Jul 2026 |
|
1h 10m 1 hour 10 min late | 124 (2.1%) |
| Jun 2026 |
|
3h 2m 3 hours 2 min late | 464 (6.9%) |
| May 2026 |
|
1h 5m 1 hour 5 min late | 160 (3.2%) |
| Apr 2026 |
|
47m 47 min late | 68 (1.8%) |
| Mar 2026 |
|
1h 31m 1 hour 31 min late | 270 (5.8%) |
| Feb 2026 |
|
45m 45 min late | 214 (5.8%) |
| Jan 2026 |
|
51m 51 min late | 152 (1.9%) |