Philadelphia (PHL) to St Louis (STL)
Flight time
≈ 2h 25m
Bearing
269° W
Philadelphia (PHL) to St Louis (STL) is 812 miles (1,306 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies PHL–STL
Filed traffic dataIn July 2026, American Airlines operated the most departures, one of 3 carriers flying nonstop PHL–STL; the Airbus A319 was the most common aircraft at 58% of departures; flights ran 80% full.
Departures
286
July 2026
Seats
39,299
both directions
Passengers
31,427
both directions
Load factor
80.0%
RPM ÷ ASM
Who flies PHL–STL?
American Airlines operated the most nonstop PHL–STL departures in July 2026 (165), one of 3 carriers on the route.
- AA
165 departures · 21,120 seats
Share of departures57.7%75.8%
Load
- WN
113 departures · 17,571 seats
Share of departures39.5%84.8%
Load
- OH
8 departures · 608 seats
Share of departures2.8%84.9%
Load
What plane flies PHL–STL?
In July 2026, the Airbus A319 flew 58% of PHL–STL departures — more than any other aircraft type.
- Airbus A319
165 departures · 75.8% load
57.7% - Boeing 737-700
58 departures · 87.8% load
20.3% - Boeing 737-800
28 departures · 81.2% load
9.8% - Boeing 737 MAX 8
27 departures · 83.5% load
9.4% - Bombardier CRJ-900
8 departures · 84.9% load
2.8%
How has PHL–STL traffic changed?
Nonstop PHL–STL departures rose from 283 in August 2025 to 286 in July 2026.
Monthly nonstop PHL–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
283 departures · 33,144 passengers
80.7%
Load
September 2025
264 departures · 30,238 passengers
77.7%
Load
October 2025
296 departures · 32,660 passengers
76.8%
Load
November 2025
322 departures · 29,789 passengers
72.0%
Load
December 2025
298 departures · 29,483 passengers
72.6%
Load
January 2026
195 departures · 14,223 passengers
65.7%
Load
February 2026
155 departures · 12,104 passengers
65.1%
Load
March 2026
230 departures · 25,656 passengers
79.5%
Load
April 2026
260 departures · 27,438 passengers
70.6%
Load
May 2026
287 departures · 33,364 passengers
77.6%
Load
June 2026
295 departures · 32,094 passengers
78.5%
Load
July 2026
286 departures · 31,427 passengers
80.0%
Load
By direction
Each direction is filed separately — they rarely match.
PHL → STL
79.8% full
143 departures · 16,148 passengers
STL → PHL
80.1% full
143 departures · 15,279 passengers
Nonstop PHL–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Philadelphia (PHL) from St Louis (STL)?
PHL to STL is 812 miles (1,306 km / 705 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from PHL to STL?
A nonstop covers the 812-mile great-circle distance in roughly 2h 25m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies PHL–STL?
In July 2026, the Airbus A319 flew the largest share of departures (57.7%), followed by the Boeing 737-700 (20.3%).
What mileage do I earn flying PHL–STL?
Distance-based programs credit off the 812-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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