Flights San Diego → Boston
SAN → BOS
Route overview
The flight route from San Diego to Boston, with an airport that opened in 1928, operates primarily using Boeing 737 and Airbus A320 aircraft. With a total of 407 flights recorded, the route has a punctuality rate of 75%, and when delays occur, they average around 17.3 minutes.
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 San Diego (SAN) → Boston (BOS) route is operated by American Airlines, Alaska Airlines, JetBlue Airways. Across 495 flights monitored in recent months, 78% arrived on time (within 15 min of schedule), with an average delay of 16 minutes. The cancellation rate is 2.02%. FlightGuard's average computed risk is 23.3/100 (medium), 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 San Diego the average ATFM delay is 2.0 minutes.
Heading to Boston: what to expect in this direction
Flying from San Diego (SAN) to Boston (BOS) heads north-east for about 4,156 km, a flight time of roughly 5h 37m.
Departures from San Diego on this leg cluster in the midday window: about 44% of SAN-BOS flights take off then.
Air-traffic congestion: departing San Diego the average ATFM delay is 2.0 min (atfm); arriving into Boston it is 2.0 min (atfm).
Across 495 tracked SAN-BOS flights, 78% left on time with an average delay of 16 min and a 2.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| American Airlines (AA) | 74% | 16 min | 3.0% |
| JetBlue Airways (B6) | 72% | 14 min | 1.7% |
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating SAN-BOS
Airports
Frequently asked questions about SAN-BOS
On the San Diego (SAN) -> Boston (BOS) route, on-time performance is 78% with an average delay of 16 minutes, based on 495 tracked flights.
The cancellation rate on San Diego-Boston is 2.02% across 495 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.
