Houston (IAH) to Philadelphia (PHL)
Flight time
≈ 3h 27m
Bearing
54° NE
Houston (IAH) to Philadelphia (PHL) is 1,323 miles (2,129 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–PHL
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 5 carriers flying nonstop IAH–PHL; the Boeing 737-800 was the most common aircraft at 27% of departures; flights ran 82% full.
Departures
342
May 2026
Seats
54,812
both directions
Passengers
44,701
both directions
Load factor
81.5%
RPM ÷ ASM
Who flies IAH–PHL?
United Airlines operated the most nonstop IAH–PHL departures in May 2026 (168), one of 5 carriers on the route.
- UA
168 departures · 27,832 seats
Share of departures49.1%80.3%
Load
- AA
138 departures · 21,184 seats
Share of departures40.4%86.4%
Load
- F9
24 departures · 4,896 seats
Share of departures7.0%67.0%
Load
- YV
8 departures · 596 seats
Share of departures2.3%84.9%
Load
- OH
4 departures · 304 seats
Share of departures1.2%91.5%
Load
What plane flies IAH–PHL?
In May 2026, the Boeing 737-800 flew 27% of IAH–PHL departures — more than any other aircraft type.
- Boeing 737-800
92 departures · 80.2% load
26.9% - Airbus A320
73 departures · 81.6% load
21.3% - Boeing 737 MAX 8
59 departures · 86.0% load
17.3% - Airbus A319
35 departures · 91.5% load
10.2% - Boeing 737 MAX 9
32 departures · 80.0% load
9.4% - Airbus A321neo
20 departures · 70.8% load
5.9% - Embraer E175
8 departures · 84.9% load
2.3% - Boeing 737-900ER
8 departures · 83.1% load
2.3% - Airbus A320neo
6 departures · 55.3% load
1.8% - Boeing 737-700
4 departures · 93.3% load
1.2% - Bombardier CRJ-900
4 departures · 91.5% load
1.2% - Airbus A321
1 departures · 93.2% load
0.3%
How has IAH–PHL traffic changed?
Nonstop IAH–PHL departures fell from 363 in June 2025 to 342 in May 2026.
Monthly nonstop IAH–PHL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
363 departures · 46,350 passengers
92.0%
Load
July 2025
382 departures · 47,226 passengers
89.8%
Load
August 2025
347 departures · 41,762 passengers
88.5%
Load
September 2025
318 departures · 36,553 passengers
84.1%
Load
October 2025
335 departures · 37,267 passengers
88.0%
Load
November 2025
296 departures · 38,221 passengers
80.5%
Load
December 2025
308 departures · 40,774 passengers
86.3%
Load
January 2026
277 departures · 31,868 passengers
76.4%
Load
February 2026
250 departures · 30,370 passengers
79.0%
Load
March 2026
307 departures · 36,457 passengers
83.1%
Load
April 2026
316 departures · 38,774 passengers
78.7%
Load
May 2026
342 departures · 44,701 passengers
81.5%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → PHL
85.3% full
172 departures · 23,395 passengers
PHL → IAH
77.8% full
170 departures · 21,306 passengers
Nonstop IAH–PHL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Houston (IAH) from Philadelphia (PHL)?
IAH to PHL is 1,323 miles (2,129 km / 1,150 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to PHL?
A nonstop covers the 1,323-mile great-circle distance in roughly 3h 27m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–PHL?
In May 2026, the Boeing 737-800 flew the largest share of departures (26.9%), followed by the Airbus A320 (21.3%).
What mileage do I earn flying IAH–PHL?
Distance-based programs credit off the 1,323-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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