Dallas-Fort Worth (DFW) to Houston (IAH)
Flight time
≈ 1h 15m
Bearing
153° SE
Dallas-Fort Worth (DFW) to Houston (IAH) is 225 miles (362 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DFW–IAH
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 8 carriers flying nonstop DFW–IAH; the Airbus A319 was the most common aircraft at 24% of departures; flights ran 67% full.
Departures
1,066
April 2026
Seats
151,533
both directions
Passengers
101,966
both directions
Load factor
67.3%
passengers ÷ seats
Who flies DFW–IAH?
United Airlines operated the most nonstop DFW–IAH departures in April 2026 (468), one of 8 carriers on the route.
- UA
United Airlines
468 departures · 66,605 seats
Share of departures43.9%58.7%
Load
- AA
American Airlines
452 departures · 72,999 seats
Share of departures42.4%72.6%
Load
- MQ
Envoy Air
128 departures · 9,717 seats
Share of departures12.0%85.6%
Load
- YV
Mesa Airlines
10 departures · 748 seats
Share of departures0.9%69.1%
Load
- NK
Spirit Airlines
5 departures · 979 seats
Share of departures0.5%91.0%
Load
- OH
PSA Airlines
1 departures · 76 seats
Share of departures0.1%94.7%
Load
- TK
Turkish Airlines
1 departures · 300 seats
Share of departures0.1%0.0%
Load
- DL
Delta Air Lines
1 departures · 109 seats
Share of departures0.1%96.3%
Load
What plane flies DFW–IAH?
In April 2026, the Airbus A319 flew 24% of DFW–IAH departures — more than any other aircraft type.
- Airbus A319
253 departures · 65.4% load
23.7% - Boeing 737-800
183 departures · 70.5% load
17.2% - Boeing 737-700
146 departures · 54.4% load
13.7% - Embraer E175
137 departures · 84.6% load
12.8% - Boeing 737 MAX 8
121 departures · 73.4% load
11.3% - Airbus A320
88 departures · 64.2% load
8.3% - Boeing 737-900ER
60 departures · 61.5% load
5.6% - Airbus A321
47 departures · 71.3% load
4.4% - Airbus A321neo
12 departures · 69.1% load
1.1% - Boeing 737 MAX 9
9 departures · 52.4% load
0.8% - Boeing 737-900
4 departures · 47.5% load
0.4% - Boeing 787-9
2 departures · 30.9% load
0.2% - Bombardier CRJ-900
1 departures · 94.7% load
0.1% - Boeing 787-8
1 departures · 100.0% load
0.1% - Airbus A220-100
1 departures · 96.3% load
0.1% - Embraer E170
1 departures · 56.9% load
0.1%
How has DFW–IAH traffic changed?
Nonstop DFW–IAH departures fell from 1,087 in May 2025 to 1,066 in April 2026.
Monthly nonstop DFW–IAH traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
1,087 departures · 110,350 passengers
76.4%
Load
June 2025
1,048 departures · 108,466 passengers
78.1%
Load
July 2025
1,083 departures · 112,271 passengers
80.8%
Load
August 2025
1,070 departures · 109,742 passengers
74.4%
Load
September 2025
1,018 departures · 102,979 passengers
72.5%
Load
October 2025
1,065 departures · 114,678 passengers
75.8%
Load
November 2025
983 departures · 98,880 passengers
67.7%
Load
December 2025
1,064 departures · 110,668 passengers
74.1%
Load
January 2026
917 departures · 87,647 passengers
68.3%
Load
February 2026
853 departures · 89,471 passengers
74.6%
Load
March 2026
1,024 departures · 101,430 passengers
72.6%
Load
April 2026
1,066 departures · 101,966 passengers
67.3%
Load
By direction
The DOT files each direction separately — they rarely match.
IAH → DFW
65.5% full
541 departures · 50,726 passengers
DFW → IAH
69.2% full
525 departures · 51,240 passengers
Nonstop DFW–IAH traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Dallas-Fort Worth
US
Dallas Fort Worth International Airport
Coordinates
32.90°N, 97.04°W
Hemisphere
N · W
Frequently asked
How far is Dallas-Fort Worth (DFW) from Houston (IAH)?
DFW to IAH is 225 miles (362 km / 195 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DFW to IAH?
A nonstop covers the 225-mile great-circle distance in roughly 1h 15m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DFW–IAH?
In April 2026, the Airbus A319 flew the largest share of departures (23.7%), followed by the Boeing 737-800 (17.2%).
What mileage do I earn flying DFW–IAH?
Distance-based programs credit off the 225-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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