Great-circle route DEN ↔ HOU. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample. The two directions are not identical — that is normal on scheduled routes.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| DEN → HOU Denver to Houston |
48/wk | Daily | Southwest Airlines |
| HOU → DEN Houston to Denver |
49/wk | Daily | Southwest Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 619,642 passengers on 4,707 flights between DEN and HOU — about 1,699 a day — filling 79% of the 781,401 seats flown. Southwest Airlines Co. carried the most passengers (97%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
Southwest Airlines is the only airline flying the DEN–HOU nonstop.
Recent scheduled departures on this route have used the Boeing 737, Boeing 737-800.
Aircraft assignments change by season and by time of day.
The distance between Denver International Airport and William P Hobby Airport is 884 miles, or 1,423 kilometres.
| Great-circle distance | 884 mi |
| Kilometres | 1,423 km |
| Nautical miles | 768 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. Southwest Airlines flies the route nonstop, with about 97 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 2h 20m in the air. That is a great-circle estimate from the 884-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 48 a week from Denver to Houston and 49 a week from Houston to Denver, from our most recent schedule sample.
Southwest Airlines.
In 2025, airlines reported 619,642 passengers on 4,707 scheduled flights between DEN and HOU — about 1,699 a day — filling 79% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737, Boeing 737-800. Assignments change by season and by time of day.