Baltimore to Houston (BWI–IAH) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
BWI–IAH is served by 3 airlines with nonstop service. United Airlines, Frontier and Spirit Airlines lead the route. The flight covers 1,234 miles in approximately 3h 4m. Beyond nonstop, 127 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: EK, NZ, VA | 30 | 7M8, 7M9, E7W | 3h14-3h38 | Star Alliance | EK, NZ, VA | |
| F9 Frontier | 7 | 32Q | 3h40 | – | – | |
| NK Spirit Airlines | 4 | 32Q | 3h19 | – | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Houston from Baltimore
| Metric | BWI→IAH | DCA→IAH | IAD→IAH |
|---|---|---|---|
| Distance from BWI | – | 30 mi | 45 mi |
| Nonstop airlines | 3 | 4 | 11 |
| Weekly flights | 100 | 118 | 119 |
| Flight time | 3h 4m | 3h 26m | 3h 9m |
| Departure OTP | 78% | – | – |
Travel Essentials
BWI: EDT · IAH: CDT
When it's 6:00 PM in Baltimore, it's 5:00 PM in Houston.
No direct rail from IAH. The METRO bus 102 (IAH Express) runs to downtown Houston's transit center (60–90 min, $1.25). Taxis to downtown Houston cost $50–70. Ride-hails pick up at the designated Rideshare zones outside baggage claim on the lower level.IAH has five terminals (A–E) connected by an underground tunnel with trams. Terminal D handles international arrivals. Rental car agencies are in a consolidated facility adjacent to Terminal C; a free IAH Connector bus runs between terminals and the rental car center. The Galleria / Uptown area costs $35–50 by ride-hail.
Humid subtropical climate. Hot, humid, and wet for much of the year. Summers are brutal (33–38°C) with high humidity and near-daily afternoon thunderstorms. Severe storms with hail and high winds regularly cause ground stops from April through September. Houston's flooding risk is significant. Heavy rain events, including tropical system remnants, have flooded airport roads, cutting off surface access even when the airport itself remains operational.
Winters are mild (5–18°C) with occasional ice storms. These are rare but highly disruptive when they occur. Hurricane season (June–November) requires monitoring for Gulf storms. October through March has the best flying weather.
BWI–IAH Quick Facts
Frequently Asked Questions
Flights from BWI to IAH
Baltimore/Washington International Thurgood Marshall Airport (BWI) and George Bush Intercontinental Airport (IAH) are connected by nonstop service from Frontier, Spirit Airlines and United Airlines. With 100 weekly departures, this is a heavily served route.
BWI to IAH Flight Duration and Schedule
Nonstop flight time from BWI to IAH ranges from 3 hours 4 minutes to 3 hours 43 minutes. The route covers a distance of 1,234 miles (1,986 km). There are approximately 100 weekly flights outbound and 84 return, totaling 184 flights per week in both directions.
Connecting Options and Alternatives
127 one-stop connections are available, with the fastest taking approximately 3 hours via SUS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Dulles (IAD) and Philadelphia (PHL).