Flights Seattle → Boston
SEA → BOS
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 Seattle (SEA) → Boston (BOS) route is operated by American Airlines, Alaska Airlines, JetBlue Airways. Across 473 flights monitored in recent months, 77% arrived on time (within 15 min of schedule), with an average delay of 14 minutes. The cancellation rate is 1.90%. FlightGuard's average computed risk is 11.7/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 2.0 minutes.
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Alaska Airlines (AS) | 83% | 1 min | 1.1% |
| American Airlines (AA) | 76% | 9 min | 2.4% |
| JetBlue Airways (B6) | 72% | 12 min | 3.1% |
Airlines operating SEA-BOS
Airports
Frequently asked questions about SEA-BOS
On the Seattle (SEA) -> Boston (BOS) route, on-time performance is 77% with an average delay of 14 minutes, based on 473 tracked flights.
The cancellation rate on Seattle-Boston is 1.90% across 473 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.
