Flights Washington → Portland
IAD → PWM
Route overview
The flight route from Washington to Portland operates with an average on-time performance of 88%, with flights typically experiencing a mean delay of 7.7 minutes. Over the course of a year, this route sees 211 total flights using Embraer RJ145 aircraft, serving a destination airport that handles approximately 2,180,154 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 Washington (IAD) → Portland (PWM) route is operated by United Airlines. Across 273 flights monitored in recent months, 86% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 2.93%. FlightGuard's average computed risk is 17.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Portland the average ATFM delay is 3.0 minutes (main cause: airspace/NAS (BTS)). Departing from Washington the average ATFM delay is 2.0 minutes.
Heading to Portland: what to expect in this direction
Flying from Washington (IAD) to Portland (PWM) heads north-east for about 793 km, a flight time of roughly 1h 25m.
Departures from Washington on this leg cluster in the midday window: about 44% of IAD-PWM flights take off then.
Air-traffic congestion: departing Washington the average ATFM delay is 2.0 min (atfm); arriving into Portland it is 3.0 min (airspace/NAS (BTS)).
Across 273 tracked IAD-PWM flights, 86% left on time with an average delay of 8 min and a 2.9% 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) | 74% | 10 min | 6.9% |
Airlines operating IAD-PWM
Airports
Frequently asked questions about IAD-PWM
On the Washington (IAD) -> Portland (PWM) route, on-time performance is 86% with an average delay of 8 minutes, based on 273 tracked flights.
The cancellation rate on Washington-Portland is 2.93% across 273 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Portland, 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.
