Flights Cancun → San Francisco
CUN → SFO
Route overview
The flight route connects the popular tourist city of Cancun with San Francisco, operating using both Boeing 737-900 and Airbus A320 aircraft. The destination airport in San Francisco serves over 50 million passengers annually, highlighting its significance as a major travel hub.
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 Cancun (CUN) → San Francisco (SFO) route is operated by United Airlines. FlightGuard's average computed risk is 21.7/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At San Francisco the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Cancun the average ATFM delay is 2.0 minutes.
Heading to San Francisco: what to expect in this direction
Flying from Cancun (CUN) to San Francisco (SFO) heads north-west for about 3,871 km, a flight time of roughly 5h 16m.
Air-traffic congestion: departing Cancun the average ATFM delay is 2.0 min (atfm); arriving into San Francisco it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating CUN-SFO
Airports
Frequently asked questions about CUN-SFO
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at San Francisco, 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.
