Flights Sanford → Portsmouth
SFB → PSM
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 Sanford (SFB) → Portsmouth (PSM) route is operated by Allegiant Air. Across 40 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 3 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 6.8/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Portsmouth the average ATFM delay is 15.5 minutes (main cause: airspace/NAS (BTS)). Departing from Sanford the average ATFM delay is 2.7 minutes.
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Allegiant Air (G4) | 77% | 13 min | 0.9% |
Airlines operating SFB-PSM
Airports
Frequently asked questions about SFB-PSM
On the Sanford (SFB) -> Portsmouth (PSM) route, on-time performance is 85% with an average delay of 3 minutes, based on 40 tracked flights.
The cancellation rate on Sanford-Portsmouth 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 Portsmouth, 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.