Flights Portsmouth → Sanford
PSM → SFB
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 Portsmouth (PSM) → Sanford (SFB) route is operated by Allegiant Air. Across 40 flights monitored in recent months, 65% arrived on time (within 15 min of schedule), with an average delay of 16 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 18.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Sanford the average ATFM delay is 2.7 minutes (main cause: airspace/NAS (BTS)). Departing from Portsmouth the average ATFM delay is 15.5 minutes.
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Allegiant Air (G4) | 77% | 13 min | 0.9% |
Airlines operating PSM-SFB
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Frequently asked questions about PSM-SFB
On the Portsmouth (PSM) -> Sanford (SFB) route, on-time performance is 65% with an average delay of 16 minutes, based on 40 tracked flights.
The cancellation rate on Portsmouth-Sanford is 0.00% across 40 monitored flights.
The route is operated by 1 airline: Allegiant Air.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Sanford, 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.
