🇺🇸 PHX
Phoenix
1281 mi
STL 🇺🇸
St Louis

Phoenix to St Louis Flights

Phoenix Sky Harbor International Airport St. Louis Lambert International Airport 4 airlines

Get Notified About Route Changes

Track up to 3 airports free. Weekly alerts when airlines add or remove routes.

Sign Up Free

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 1281 miles (2062 km) with a typical flight time of 2h 33m. This route is served by 4 airlines: Southwest, American Airlines, Frontier and others. AirportRoutes has tracked 13 unique flight numbers on this route.

Airport Information

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

Route Statistics

4

Operators

13

Tracked Flights

1281

Miles

2h 33m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN
American Airlines AAL AA
Frontier FFT F9
Envoy Air ENY MQ

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 15 18%
Tuesday 7 9%
Wednesday 13 16%
Thursday 13 16%
Friday 14 17%
Saturday 6 7%
Sunday 14 17%

Pattern Analysis

13 Tracked Flights:
Data Points: 82
API observations used to build this analysis
Weekdays: 62 flights
Weekend: 20 flights
Business Route More active on weekdays

All Flight Routes

4 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
Envoy Air
ENY / MQ
- - -
M T W T F S S
Jun 9, 2026 Active
A319 19:56 7:56 PM (Representative)
M T W T F S S
Jun 9, 2026 Active
Frontier
FFT / F9
A20N 17:09 5:09 PM (Representative)
M T W T F S S
Jun 9, 2026 Active
Southwest
SWA / WN
B38M 05:35 5:35 AM (Representative)
M T W T F S S
Jun 9, 2026 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
05:35 5:35 AM Southwest SWA WN
17:09 5:09 PM Frontier FFT F9
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: 3
Time Range:
05:35 - 19:56
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.