George Bush Intcntl/Houston ⇄ Baltimore/Washington International Thurgood Marshall IAH–BWI
Airlines flew 3,460 flights between George Bush Intcntl/Houston IAH in Houston, TX and Baltimore/Washington International Thurgood Marshall BWI in Baltimore, MD in the twelve months to July 2026, both directions together: 385,094 passengers in 477,755 seats, 81% of them filled, and 58,022,332 pounds of freight. 1,235 miles, about 155 minutes in the air, on 10 airlines: United Air Lines Inc. (1,644), Air Transport International (728), Spirit Air Lines (650), Frontier Airlines Inc. (280) and 6 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 246 |
| 2/25 | 184 |
| 3/25 | 207 |
| 4/25 | 289 |
| 5/25 | 322 |
| 6/25 | 281 |
| 7/25 | 307 |
| 8/25 | 295 |
| 9/25 | 307 |
| 10/25 | 322 |
| 11/25 | 323 |
| 12/25 | 266 |
| 1/26 | 275 |
| 2/26 | 254 |
| 3/26 | 281 |
| 4/26 | 325 |
| 5/26 | 286 |
| 6/26 | 261 |
| 7/26 | 265 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 27,362 |
| 2/25 | 19,797 |
| 3/25 | 21,910 |
| 4/25 | 25,768 |
| 5/25 | 32,772 |
| 6/25 | 29,877 |
| 7/25 | 36,272 |
| 8/25 | 32,893 |
| 9/25 | 30,838 |
| 10/25 | 34,857 |
| 11/25 | 33,849 |
| 12/25 | 31,631 |
| 1/26 | 29,151 |
| 2/26 | 26,284 |
| 3/26 | 32,195 |
| 4/26 | 33,699 |
| 5/26 | 34,107 |
| 6/26 | 32,335 |
| 7/26 | 33,255 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 1,644 | 216,978 | 80% | charter passenger service, scheduled passenger service |
| Air Transport International 8C | 728 | 0 | charter cargo service | |
| Spirit Air Lines NK | 650 | 106,786 | 82% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 280 | 51,240 | 83% | scheduled passenger service |
| Mesa Airlines Inc. YV | 145 | 9,634 | 89% | scheduled passenger service |
| Atlas Air Inc. 5Y | 7 | 1 | 0% | charter passenger service |
| SkyWest Airlines Inc. OO | 3 | 207 | 91% | scheduled passenger service |
| Delta Air Lines Inc. DL | 1 | 121 | 93% | scheduled passenger service |
| Eastern Air Express, LLC (EAX) 37Q | 1 | 56 | 35% | charter passenger service |
| Global Crossing Airlines, Inc. GCA | 1 | 71 | 47% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 767-300/300ER | 729 | 0 | 0 |
| Airbus Industrie A321-200n | 339 | 233 | 65,228 |
| Boeing 737-900 | 333 | 179 | 47,259 |
| Boeing 737-800 | 318 | 166 | 41,055 |
| Airbus Industrie A320-100/200 | 303 | 173 | 42,628 |
| Boeing B737 Max 900 | 282 | 179 | 41,484 |
| Boeing 737-900ER | 247 | 179 | 33,821 |
| Boeing 737-700/700LR/Max 7 | 187 | 126 | 20,258 |
| Airbus Industrie A320-200n | 166 | 181 | 24,858 |
| Airbus Industrie A321Neoxlr | 160 | 223 | 28,992 |
| Embraer ERJ-175 | 148 | 75 | 9,841 |
| Boeing B737 Max 800 | 134 | 166 | 17,159 |
| Airbus Industrie A319 | 105 | 126 | 12,017 |
| Boeing 747-400 | 6 | 383 | 1 |
| Boeing 777-200ER/200LR/233LR | 2 | 364 | 372 |
| A220-300 BD-500-1A11 | 1 | 130 | 121 |
IAH → BWI this direction alone · flown January 2025 to July 2026
1,734 flights of 1,369 scheduled, 190,985 passengers in 239,456 seats, 31,064,326 pounds of freight, 116,528 pounds of mail. United Air Lines Inc. 825; Air Transport International 363; Spirit Air Lines 326; Frontier Airlines Inc. 140; Mesa Airlines Inc. 72; Atlas Air Inc. 5; SkyWest Airlines Inc. 2; Delta Air Lines Inc. 1.
BWI → IAH this direction alone · flown January 2025 to July 2026
1,726 flights of 1,367 scheduled, 194,109 passengers in 238,299 seats, 26,958,006 pounds of freight, 8,733 pounds of mail. United Air Lines Inc. 819; Air Transport International 365; Spirit Air Lines 324; Frontier Airlines Inc. 140; Mesa Airlines Inc. 73; Atlas Air Inc. 2; Eastern Air Express, LLC (EAX) 1; Global Crossing Airlines, Inc. 1; SkyWest Airlines Inc. 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: George Bush Intcntl/Houston IAH and Baltimore/Washington International Thurgood Marshall BWI; all routes.