Baltimore (BWI) to Houston (IAH)
Flight time
≈ 3h 16m
Bearing
245° SW
Baltimore (BWI) to Houston (IAH) is 1,234 miles (1,986 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 BWI–IAH
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 4 carriers flying nonstop BWI–IAH; the Airbus A321neo was the most common aircraft at 20% of departures; flights ran 84% full.
Departures
224
May 2026
Seats
40,642
both directions
Passengers
34,107
both directions
Load factor
83.9%
RPM ÷ ASM
Who flies BWI–IAH?
United Airlines operated the most nonstop BWI–IAH departures in May 2026 (150), one of 4 carriers on the route.
- UA
150 departures · 25,794 seats
Share of departures67.0%82.6%
Load
- F9
60 departures · 13,624 seats
Share of departures26.8%88.2%
Load
- YV
12 departures · 852 seats
Share of departures5.4%93.8%
Load
- NK
2 departures · 372 seats
Share of departures0.9%0.0%
Load
What plane flies BWI–IAH?
In May 2026, the Airbus A321neo flew 20% of BWI–IAH departures — more than any other aircraft type.
- Airbus A321neo
45 departures · 88.0% load
20.1% - Boeing 737-900
41 departures · 82.8% load
18.3% - Boeing 737 MAX 9
34 departures · 77.5% load
15.2% - Boeing 737 MAX 8
31 departures · 85.7% load
13.8% - Boeing 737-800
25 departures · 87.9% load
11.2% - Embraer E175
12 departures · 93.8% load
5.4% - Boeing 737-900ER
11 departures · 76.4% load
4.9% - Airbus A320neo
10 departures · 89.3% load
4.5% - Airbus A320
9 departures · 62.2% load
4.0% - Airbus A321
2 departures · 93.0% load
0.9% - Airbus A319
2 departures · 84.5% load
0.9% - Boeing 737-700
2 departures · 96.8% load
0.9%
How has BWI–IAH traffic changed?
Nonstop BWI–IAH departures rose from 221 in June 2025 to 224 in May 2026.
Monthly nonstop BWI–IAH traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
221 departures · 29,877 passengers
87.3%
Load
July 2025
248 departures · 36,272 passengers
87.7%
Load
August 2025
233 departures · 32,893 passengers
83.2%
Load
September 2025
247 departures · 30,838 passengers
74.6%
Load
October 2025
260 departures · 34,857 passengers
82.6%
Load
November 2025
268 departures · 33,849 passengers
73.2%
Load
December 2025
211 departures · 31,631 passengers
85.3%
Load
January 2026
223 departures · 29,151 passengers
74.3%
Load
February 2026
200 departures · 26,284 passengers
79.2%
Load
March 2026
220 departures · 32,195 passengers
84.0%
Load
April 2026
238 departures · 33,699 passengers
77.6%
Load
May 2026
224 departures · 34,107 passengers
83.9%
Load
By direction
Each direction is filed separately — they rarely match.
BWI → IAH
82.9% full
112 departures · 16,603 passengers
IAH → BWI
84.9% full
112 departures · 17,504 passengers
Nonstop BWI–IAH 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
Baltimore
US
Baltimore/Washington International Thurgood Marshall Airport
Coordinates
39.18°N, 76.67°W
Hemisphere
N · W
Frequently asked
How far is Baltimore (BWI) from Houston (IAH)?
BWI to IAH is 1,234 miles (1,986 km / 1,072 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BWI to IAH?
A nonstop covers the 1,234-mile great-circle distance in roughly 3h 16m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BWI–IAH?
In May 2026, the Airbus A321neo flew the largest share of departures (20.1%), followed by the Boeing 737-900 (18.3%).
What mileage do I earn flying BWI–IAH?
Distance-based programs credit off the 1,234-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