The Cancún to St Louis route connects Cancún International Airport (CUN) in MX with St. Louis Lambert International Airport (STL) in US. This medium-haul flight covers approximately 1301 miles (2094 km) with a typical flight time of 2h 54m. This route is served by 4 airlines: Frontier, Southwest, AAL and others. AirportRoutes has tracked 5 unique flight numbers on this route.
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MMUNCUNSt. Louis Lambert International Airport
KSTLSTL4
Operators5
Tracked Flights1301
Miles2h 54m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| Frontier |
FFT
|
F9
|
| Southwest |
SWA
|
WN
|
| American Airlines |
AAL
|
AA
|
| Sun Country Airlines |
SCX
|
SY
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 3 | 11% |
|
| Tuesday | 3 | 11% |
|
| Wednesday | 3 | 11% |
|
| Thursday | 7 | 25% |
|
| Friday | 2 | 7% |
|
| Saturday | 6 | 21% |
|
| Sunday | 4 | 14% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
American Airlines
AAL
/ AA
|
B738 | 12:32 12:32 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active | |
|
Frontier
FFT
/ F9
|
A321 | 11:42 11:42 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active | |
|
Southwest
SWA
/ WN
|
B38M | 08:50 8:50 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active | |
|
Sun Country Airlines
SCX
/ SY
|
B738 | 21:12 9:12 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 08:50 8:50 AM | Southwest |
SWA
|
WN
|
| 11:42 11:42 AM | Frontier |
FFT
|
F9
|
| 12:32 12:32 PM | American Airlines |
AAL
|
AA
|
| 21:12 9:12 PM | Sun Country Airlines |
SCX
|
SY
|
Time Information
Times are shown in the departure airport's local timezone (MMUN - America/Cancun).