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Flights Portland → Boston

PDX → BOS

5h 2m
Flight time
18.8
Average risk (Medium)
79%
On-time
16 min
Average delay
2.3%
Cancellations
3
Airlines

How long is the flight from Portland to Boston?

The flight from Portland (PDX) to Boston (BOS) takes 5h 2m on average. That is the median time recorded across 2 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 Portland to Boston operates with a high on-time performance rate of 87%, with an average delay of just 3.9 minutes across the total of 103 flights recorded. The busy destination airport sees over 36 million passengers annually, and the route is served by both Boeing 737 and Airbus A320 aircraft.

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 Portland (PDX) → Boston (BOS) route is operated by American Airlines, Alaska Airlines, JetBlue Airways. Across 427 flights monitored in recent months, 79% arrived on time (within 15 min of schedule), with an average delay of 16 minutes. The cancellation rate is 2.34%. FlightGuard's average computed risk is 18.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Portland the average ATFM delay is 5.5 minutes.

Heading to Boston: what to expect in this direction

Flying from Portland (PDX) to Boston (BOS) heads east for about 4,072 km, a flight time of roughly 5h 2m.

Departures from Portland on this leg cluster in the overnight window: about 44% of PDX-BOS flights take off then.

Air-traffic congestion: departing Portland the average ATFM delay is 5.5 min (atfm); arriving into Boston it is 5.5 min (atfm).

Across 427 tracked PDX-BOS flights, 79% left on time with an average delay of 16 min and a 2.3% cancellation rate.

Route facts

Time difference
3h ahead
Arrival (dest. local time)
13:02
Elevation BOS
20 ft
Typical aircraft
Boeing 737, Airbus A320
Est. CO₂/passenger
~407 kg

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Airline punctuality on this route

Airline On-time Average delay Cancellations
Alaska Airlines (AS) 85% -1 min 0.5%
American Airlines (AA) 79% 6 min 1.1%
JetBlue Airways (B6) 79% 7 min 0.1%

Frequently asked questions about PDX-BOS

The flight from Portland (PDX) to Boston (BOS) takes 5h 2m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.

On the Portland (PDX) -> Boston (BOS) route, on-time performance is 79% with an average delay of 16 minutes, based on 427 tracked flights.

The cancellation rate on Portland-Boston is 2.34% across 427 monitored flights.

The route is operated by 3 airlines: American Airlines, Alaska Airlines, JetBlue Airways.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Boston, 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.