Flight Time Estimator

Calculate the great-circle distance and estimated flight time between any two airports worldwide. This tool models theoretical nonstop routing, allowing you to analyze routes even if no airline currently operates direct service between them.

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Estimate Flight Time

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Chicago (ORD) → Boston (BOS)

United States of America flag Boston (BOS) – United States of America 5 airlines
2 hr 35 mins
864 mi · 1,391 km
30
per day
Estimated flight time
2 hr 35 mins
Distance
864 Miles · 1,391 Kilometers
751.12 Nautical Miles

Boston (BOS) → Chicago (ORD)

United States of America flag Chicago (ORD) – United States of America 5 airlines
3 hr 5 mins
864 mi · 1,391 km
29
per day
Estimated flight time
3 hr 5 mins
Distance
864 Miles · 1,391 Kilometers
751.12 Nautical Miles