Houston (IAH) to Pittsburgh (PIT)
Flight time
≈ 3h 02m
Bearing
45° NE
Houston (IAH) to Pittsburgh (PIT) is 1,117 miles (1,797 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–PIT
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 4 carriers flying nonstop IAH–PIT; the Boeing 737 MAX 9 was the most common aircraft at 24% of departures; flights ran 74% full.
Departures
180
May 2026
Seats
24,907
both directions
Passengers
18,499
both directions
Load factor
74.3%
RPM ÷ ASM
Who flies IAH–PIT?
United Airlines operated the most nonstop IAH–PIT departures in May 2026 (139), one of 4 carriers on the route.
- UA
139 departures · 21,953 seats
Share of departures77.2%72.6%
Load
- YV
38 departures · 2,672 seats
Share of departures21.1%89.3%
Load
- YX
2 departures · 152 seats
Share of departures1.1%32.2%
Load
- DL
1 departures · 130 seats
Share of departures0.6%96.9%
Load
What plane flies IAH–PIT?
In May 2026, the Boeing 737 MAX 9 flew 24% of IAH–PIT departures — more than any other aircraft type.
- Boeing 737 MAX 9
44 departures · 70.9% load
24.4% - Embraer E175
40 departures · 86.2% load
22.2% - Airbus A319
36 departures · 83.0% load
20.0% - Boeing 737-900
26 departures · 67.3% load
14.4% - Boeing 737-700
14 departures · 75.9% load
7.8% - Boeing 737-800
8 departures · 73.0% load
4.4% - Airbus A320
6 departures · 80.1% load
3.3% - Boeing 737-900ER
5 departures · 47.9% load
2.8% - Airbus A220-300
1 departures · 96.9% load
0.6%
How has IAH–PIT traffic changed?
Nonstop IAH–PIT departures rose from 169 in June 2025 to 180 in May 2026.
Monthly nonstop IAH–PIT traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
169 departures · 17,579 passengers
80.9%
Load
July 2025
173 departures · 16,038 passengers
81.4%
Load
August 2025
179 departures · 16,440 passengers
80.2%
Load
September 2025
174 departures · 15,107 passengers
69.9%
Load
October 2025
188 departures · 20,072 passengers
76.3%
Load
November 2025
177 departures · 17,907 passengers
69.7%
Load
December 2025
156 departures · 17,121 passengers
79.9%
Load
January 2026
170 departures · 13,703 passengers
80.5%
Load
February 2026
157 departures · 13,944 passengers
84.2%
Load
March 2026
184 departures · 18,147 passengers
77.5%
Load
April 2026
179 departures · 17,817 passengers
67.7%
Load
May 2026
180 departures · 18,499 passengers
74.3%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → PIT
75.1% full
90 departures · 9,341 passengers
PIT → IAH
73.4% full
90 departures · 9,158 passengers
Nonstop IAH–PIT 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 Pittsburgh (PIT)?
IAH to PIT is 1,117 miles (1,797 km / 971 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to PIT?
A nonstop covers the 1,117-mile great-circle distance in roughly 3h 02m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–PIT?
In May 2026, the Boeing 737 MAX 9 flew the largest share of departures (24.4%), followed by the Embraer E175 (22.2%).
What mileage do I earn flying IAH–PIT?
Distance-based programs credit off the 1,117-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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