Detroit (DTW) to Houston (IAH)
Flight time
≈ 2h 57m
Bearing
222° SW
Detroit (DTW) to Houston (IAH) is 1,076 miles (1,731 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DTW–IAH
Filed traffic dataIn July 2026, Delta Air Lines operated the most departures, one of 5 carriers flying nonstop DTW–IAH; the Airbus A319 was the most common aircraft at 49% of departures; flights ran 83% full.
Departures
466
July 2026
Seats
63,427
both directions
Passengers
52,613
both directions
Load factor
83.0%
RPM ÷ ASM
Who flies DTW–IAH?
Delta Air Lines operated the most nonstop DTW–IAH departures in July 2026 (231), one of 5 carriers on the route.
- DL
231 departures · 30,482 seats
Share of departures49.6%88.7%
Load
- YV
116 departures · 8,624 seats
Share of departures24.9%93.2%
Load
- F9
62 departures · 14,534 seats
Share of departures13.3%71.2%
Load
- UA
57 departures · 9,787 seats
Share of departures12.2%73.4%
Load
- NK
0 departures · 0 seats
Share of departures0.0%—
Load
What plane flies DTW–IAH?
In July 2026, the Airbus A319 flew 49% of DTW–IAH departures — more than any other aircraft type.
- Airbus A319
230 departures · 88.6% load
49.4% - Embraer E175
116 departures · 93.2% load
24.9% - Airbus A321neo
45 departures · 70.1% load
9.7% - Boeing 737 MAX 9
19 departures · 81.8% load
4.1% - Boeing 737 MAX 8
18 departures · 72.5% load
3.9% - Boeing 737-800
14 departures · 60.2% load
3.0% - Airbus A321
13 departures · 72.5% load
2.8% - Boeing 737-900ER
6 departures · 78.1% load
1.3% - Airbus A320neo
2 departures · 79.0% load
0.4% - Airbus A320
2 departures · 85.2% load
0.4% - Airbus A220-300
1 departures · 97.7% load
0.2%
How has DTW–IAH traffic changed?
Nonstop DTW–IAH departures fell from 517 in August 2025 to 466 in July 2026.
Monthly nonstop DTW–IAH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
517 departures · 57,673 passengers
80.2%
Load
September 2025
484 departures · 46,311 passengers
71.6%
Load
October 2025
502 departures · 53,045 passengers
84.3%
Load
November 2025
466 departures · 51,060 passengers
75.6%
Load
December 2025
439 departures · 48,160 passengers
84.5%
Load
January 2026
380 departures · 36,917 passengers
77.9%
Load
February 2026
398 departures · 42,546 passengers
81.6%
Load
March 2026
487 departures · 53,226 passengers
81.6%
Load
April 2026
473 departures · 48,407 passengers
77.6%
Load
May 2026
473 departures · 52,907 passengers
81.2%
Load
June 2026
459 departures · 51,977 passengers
82.0%
Load
July 2026
466 departures · 52,613 passengers
83.0%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → DTW
82.1% full
234 departures · 26,116 passengers
DTW → IAH
83.8% full
232 departures · 26,497 passengers
Nonstop DTW–IAH 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 Detroit (DTW) from Houston (IAH)?
DTW to IAH is 1,076 miles (1,731 km / 935 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DTW to IAH?
A nonstop covers the 1,076-mile great-circle distance in roughly 2h 57m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DTW–IAH?
In July 2026, the Airbus A319 flew the largest share of departures (49.4%), followed by the Embraer E175 (24.9%).
What mileage do I earn flying DTW–IAH?
Distance-based programs credit off the 1,076-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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