Phoenix to St Louis Flights PHX → STL

Phoenix Sky Harbor International Airport → St. Louis Lambert International Airport

🇺🇸 Phoenix, US → 🇺🇸 St Louis, US

The Phoenix to St Louis route connects Phoenix Sky Harbor International Airport (PHX) in US with St. Louis Lambert International Airport (STL) in US. This medium-haul flight covers approximately 1282 miles (2063 km) with a typical flight time of 2h 39m. This route is served by 3 airlines: Southwest, American Airlines, Frontier. AirportRoutes has tracked 5 daily flights on this route.

Departure Airport

Phoenix Sky Harbor International Airport

ICAO Code:
KPHX
IATA Code:
PHX
City:
🇺🇸 Phoenix
Country:
US
Elevation:
1135 ft

Destination Airport

St. Louis Lambert International Airport

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

3

Operators

5

Daily Flights

1282

Miles

2h 39m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN
American Airlines AAL AA
Frontier FFT F9

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 12 18%
Tuesday 5 8%
Wednesday 9 14%
Thursday 12 18%
Friday 9 14%
Saturday 5 8%
Sunday 13 20%

Pattern Analysis

5 Daily Flights:
SWA2179 SWA3240 SWA4151 SWA4149 AAL2043
Data Points: 65
API observations used to build this analysis
Weekdays: 47 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
AAL2043 A319 19:56 7:56 PM (Representative)
M T W T F S S
Jan 2, 2026 Active
Frontier
FFT / F9
- A20N -
M T W T F S S
Nov 3, 2025 Active
Southwest
SWA / WN
SWA2179 SWA3240 SWA4151 SWA4149 B38M 05:00 5:00 AM (Representative)
M T W T F S S
Feb 5, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
05:00 5:00 AM Southwest SWA WN
19:56 7:56 PM American Airlines AAL AA

Time Information

Times are shown in the departure airport's local timezone (KPHX - America/Phoenix).

Total Departure Times: 2
Time Range:
05:00 - 19:56
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.