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.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies IAH–PIT
Filed traffic dataIn July 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAH–PIT; the Boeing 737-900 was the most common aircraft at 42% of departures; flights ran 76% full.
Departures
172
July 2026
Seats
28,474
both directions
Passengers
21,602
both directions
Load factor
75.9%
RPM ÷ ASM
Who flies IAH–PIT?
United Airlines operated the most nonstop IAH–PIT departures in July 2026 (171), one of 2 carriers on the route.
- UA
171 departures · 28,312 seats
Share of departures99.4%76.2%
Load
- B6
1 departures · 162 seats
Share of departures0.6%20.4%
Load
What plane flies IAH–PIT?
In July 2026, the Boeing 737-900 flew 42% of IAH–PIT departures — more than any other aircraft type.
- Boeing 737-900
73 departures · 78.0% load
42.4% - Boeing 737-700
34 departures · 78.7% load
19.8% - Boeing 737-800
31 departures · 76.7% load
18.0% - Boeing 737-900ER
23 departures · 66.4% load
13.4% - Boeing 737 MAX 9
6 departures · 72.1% load
3.5% - Boeing 737 MAX 8
3 departures · 87.4% load
1.7% - Airbus A319
1 departures · 93.7% load
0.6% - Airbus A320
1 departures · 20.4% load
0.6%
How has IAH–PIT traffic changed?
Nonstop IAH–PIT departures fell from 179 in August 2025 to 172 in July 2026.
Monthly nonstop IAH–PIT traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
July 2026
172 departures · 21,602 passengers
75.9%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → PIT
75.0% full
88 departures · 10,918 passengers
PIT → IAH
76.7% full
84 departures · 10,684 passengers
Nonstop IAH–PIT 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 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 July 2026, the Boeing 737-900 flew the largest share of departures (42.4%), followed by the Boeing 737-700 (19.8%).
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.
Keep exploring
Every route below is its own page.
Popular long-haul routes