Flights St. Louis → Cancun
STL → CUN
Route overview
The flight route operates from St. Louis to the popular tourist destination of Cancun, utilizing an Airbus A320 aircraft. The destination airport in Cancun sees a high volume of 30,342,961 passengers annually, underscoring 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 St. Louis (STL) → Cancun (CUN) route is operated by Frontier Airlines. FlightGuard's average computed risk is 13/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Cancun the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from St. Louis the average ATFM delay is 2.0 minutes.
Heading to Cancun: what to expect in this direction
Flying from St. Louis (STL) to Cancun (CUN) heads south for about 1,997 km, a flight time of roughly 2h 55m.
Air-traffic congestion: departing St. Louis the average ATFM delay is 2.0 min (atfm); arriving into Cancun it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Frontier Airlines (F9) | 74% | 15 min | 2.2% |
Airlines operating STL-CUN
Airports
Frequently asked questions about STL-CUN
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: Frontier Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Cancun, 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.
