St Louis to Denver Flights STL → DEN

St. Louis Lambert International Airport → Denver International Airport

🇺🇸 St Louis, US → 🇺🇸 Denver, US

The St Louis to Denver route connects St. Louis Lambert International Airport (STL) in US with Denver International Airport (DEN) in US. This short-haul flight covers approximately 769 miles (1238 km). This route is served by 3 airlines: Southwest, United, SkyWest.

Departure Airport

St. Louis Lambert International Airport

ICAO Code:
KSTL
IATA Code:
STL
City:
🇺🇸 St Louis
Country:
US
Elevation:
618 ft

Destination Airport

Denver International Airport

ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

3

Operators

3

Routes Tracked

769

Miles

-

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN
United UAL UA
SkyWest SKW OO

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 5 23%
Tuesday 5 23%
Wednesday 1 5%
Thursday 5 23%
Friday 2 9%
Saturday 0 0%
Sunday 4 18%

Pattern Analysis

Data Points: 22
API observations used to build this analysis
Weekdays: 18 flights
Weekend: 4 flights
Business Route More active on weekdays

All Flight Routes

3 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
SkyWest
SKW / OO
- E75L -
M T W T F S S
Aug 13, 2025 Active
Southwest
SWA / WN
- B38M -
M T W T F S S
Aug 14, 2025 Active
United
UAL / UA
- B38M -
M T W T F S S
Nov 18, 2025 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

No departure times available

Departure times will be populated as flight data is collected for this route.