Flights Philadelphia → Seattle
PHL → SEA
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 Philadelphia (PHL) → Seattle (SEA) route is operated by American Airlines, Alaska Airlines. Across 244 flights monitored in recent months, 86% arrived on time (within 15 min of schedule), with an average delay of 5 minutes. The cancellation rate is 2.05%. FlightGuard's average computed risk is 9.4/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Philadelphia 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% |
Airlines operating PHL-SEA
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Frequently asked questions about PHL-SEA
On the Philadelphia (PHL) -> Seattle (SEA) route, on-time performance is 86% with an average delay of 5 minutes, based on 244 tracked flights.
The cancellation rate on Philadelphia-Seattle is 2.05% across 244 monitored flights.
The route is operated by 2 airlines: American Airlines, Alaska Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Seattle, 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.