Flights St. Thomas → Philadelphia
STT → PHL
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 St. Thomas (STT) → Philadelphia (PHL) route is operated by American Airlines. Across 97 flights monitored in recent months, 67% arrived on time (within 15 min of schedule), with an average delay of 45 minutes. The cancellation rate is 1.03%. FlightGuard's average computed risk is 9.5/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Philadelphia the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from St. Thomas the average ATFM delay is 2.0 minutes.
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| American Airlines (AA) | 76% | 9 min | 2.4% |
Airlines operating STT-PHL
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Frequently asked questions about STT-PHL
On the St. Thomas (STT) -> Philadelphia (PHL) route, on-time performance is 67% with an average delay of 45 minutes, based on 97 tracked flights.
The cancellation rate on St. Thomas-Philadelphia is 1.03% across 97 monitored flights.
The route is operated by 1 airline: American Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Philadelphia, 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.
