DEN KDEN → STL KSTL

Denver International Airport → St. Louis Lambert International Airport

🇺🇸 Denver, US → 🇺🇸 St Louis, US

Departure Airport
Denver International Airport
ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft
Destination Airport
St. Louis Lambert International Airport
ICAO Code:
KSTL
IATA Code:
STL
City:
🇺🇸 St Louis
Country:
US
Elevation:
618 ft

3

Operators

3

Daily Flights

1000

Miles

1h 40m

Flight Duration
Route Map
Operating Airlines
Southwest ICAO: SWA • IATA: WN
Frontier ICAO: FFT • IATA: F9
United ICAO: UAL • IATA: UA
Airline ICAO IATA
Southwest SWA WN
Frontier FFT F9
United UAL UA
Flight Schedule Pattern
Day Flights Observed Frequency Activity
Monday 15 16%
Tuesday 13 14%
Wednesday 21 23%
Thursday 15 16%
Friday 10 11%
Saturday 7 8%
Sunday 11 12%
Pattern Analysis
3 Daily Flights:
FFT3302 SWA585 SWA3053
Data Points: 92
API observations used to build this analysis
Weekdays: 74 flights
Weekend: 18 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
Frontier
FFT / F9
FFT3302 A21N 07:05 7:05 AM (Representative)
M T W T F S S
Dec 6, 2025 Active
Southwest
SWA / WN
SWA585 SWA3053 B38M 22:55 10:55 PM (Representative)
M T W T F S S
Dec 3, 2025 Active
United
UAL / UA
- B39M 17:25 5:25 PM (Representative)
M T W T F S S
Nov 30, 2025 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3
Spotted Departure Times
Departure Time Operator ICAO IATA
07:05 7:05 AM Frontier FFT F9
17:25 5:25 PM United UAL UA
22:55 10:55 PM Southwest SWA WN
Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 3
Time Range:
07:05 - 22:55
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.