Flights Boston → Washington
BOS → IAD
How long is the flight from Boston to Washington?
The flight from Boston (BOS) to Washington (IAD) takes 1h 18m on average. That is the median time recorded across 4 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Boston to Washington features a high on-time performance rate of 91%, with an average delay of just 3.1 minutes across the total of 343 flights recorded. The diverse fleet includes aircraft such as Embraer 190, Airbus A320, Boeing 737 series, and more, serving a destination airport that handles over 21 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Boston (BOS) → Washington (IAD) route is operated by JetBlue Airways, United Airlines. Across 963 flights monitored in recent months, 86% arrived on time (within 15 min of schedule), with an average delay of 11 minutes. The cancellation rate is 3.84%. FlightGuard's average computed risk is 25.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Washington the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Boston the average ATFM delay is 5.5 minutes.
Heading to Washington: what to expect in this direction
Flying from Boston (BOS) to Washington (IAD) heads south-west for about 663 km, a flight time of roughly 1h 18m.
Departures from Boston on this leg cluster in the overnight window: about 43% of BOS-IAD flights take off then.
Air-traffic congestion: departing Boston the average ATFM delay is 5.5 min (atfm); arriving into Washington it is 5.5 min (atfm).
Across 963 tracked BOS-IAD flights, 86% left on time with an average delay of 11 min and a 3.8% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
| JetBlue Airways (B6) | 79% | 7 min | 0.1% |
Airlines operating BOS-IAD
Airports
Frequently asked questions about BOS-IAD
The flight from Boston (BOS) to Washington (IAD) takes 1h 18m on average. That is the median time recorded across 4 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Boston (BOS) -> Washington (IAD) route, on-time performance is 86% with an average delay of 11 minutes, based on 963 tracked flights.
The cancellation rate on Boston-Washington is 3.84% across 963 monitored flights.
The route is operated by 2 airlines: JetBlue Airways, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Washington, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
