Flights Baltimore → Portland
BWI → PWM
Route overview
The flight route from Baltimore to Portland has a 73% on-time performance rate, with an average delay of 10.8 minutes when flights are not on time. With a total of 303 flights recorded, this route connects Baltimore, whose airport opened in 1947, to the bustling city of Portland, which serves over two million passengers annually at its destination airport.
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 Baltimore (BWI) → Portland (PWM) route is operated by Southwest Airlines. Across 394 flights monitored in recent months, 71% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 3.30%. FlightGuard's average computed risk is 21.5/100 (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 Baltimore the average ATFM delay is 2.0 minutes.
Heading to Portland: what to expect in this direction
Flying from Baltimore (BWI) to Portland (PWM) heads north-east for about 726 km, a flight time of roughly 1h 20m.
Departures from Baltimore on this leg cluster in the morning window: about 65% of BWI-PWM flights take off then.
Air-traffic congestion: departing Baltimore the average ATFM delay is 2.0 min (atfm); arriving into Portland it is 3.0 min (airspace/NAS (BTS)).
Across 394 tracked BWI-PWM flights, 71% left on time with an average delay of 12 min and a 3.3% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating BWI-PWM
Airports
Frequently asked questions about BWI-PWM
On the Baltimore (BWI) -> Portland (PWM) route, on-time performance is 71% with an average delay of 12 minutes, based on 394 tracked flights.
The cancellation rate on Baltimore-Portland is 3.30% across 394 monitored flights.
The route is operated by 1 airline: Southwest 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.
