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 June 2026, United Airlines was the only carrier flying nonstop IAH–PIT; the Boeing 737-900 was the most common aircraft at 48% of departures; flights ran 73% full.
Departures
164
June 2026
Seats
27,298
both directions
Passengers
20,029
both directions
Load factor
73.4%
RPM ÷ ASM
Who flies IAH–PIT?
United Airlines was the only carrier to fly nonstop IAH–PIT in June 2026 (164 departures).
- UA
164 departures · 27,298 seats
Share of departures100.0%73.4%
Load
What plane flies IAH–PIT?
In June 2026, the Boeing 737-900 flew 48% of IAH–PIT departures — more than any other aircraft type.
- Boeing 737-900
79 departures · 73.6% load
48.2% - Boeing 737-800
32 departures · 75.9% load
19.5% - Boeing 737-700
26 departures · 72.4% load
15.8% - Boeing 737-900ER
10 departures · 65.9% load
6.1% - Boeing 737 MAX 9
9 departures · 71.2% load
5.5% - Airbus A319
4 departures · 75.6% load
2.4% - Boeing 737 MAX 8
4 departures · 77.4% load
2.4%
How has IAH–PIT traffic changed?
Nonstop IAH–PIT departures fell from 173 in July 2025 to 164 in June 2026.
Monthly nonstop IAH–PIT traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
164 departures · 20,029 passengers
73.4%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → PIT
71.7% full
82 departures · 9,792 passengers
PIT → IAH
75.0% full
82 departures · 10,237 passengers
Nonstop IAH–PIT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 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 June 2026, the Boeing 737-900 flew the largest share of departures (48.2%), followed by the Boeing 737-800 (19.5%).
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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