HOU to DEN flight delays & on-time performance
Nonstop flights from William P. Hobby Airport to Denver International Airport · 883 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HOU or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (HOU) to Denver (DEN) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (97% on time); around 5pm did worst (57%).
- Tuesday was the most reliable day to fly (82% on time) and Saturday the least (75%).
- The largest source of delay minutes was late-arriving aircraft (38%).
Which airline is most on time from HOU to DEN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 78% | 0.3% | 13 min | 6.2% | 2,380 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am96%224 flights
- 6am97%139 flights
- 7am90%78 flights
- 8am83%233 flights
- 9am86%107 flights
- 10am83%146 flights
- 11am73%86 flights
- 12pm72%150 flights
- 1pm75%107 flights
- 2pm79%129 flights
- 3pm61%31 flights
- 4pm62%174 flights
- 5pm57%121 flights
- 6pm63%152 flights
- 7pm73%118 flights
- 8pm81%111 flights
- 9pm74%138 flights
- 10pm74%135 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.0% cancelled
- Tuesday82%0.9% cancelled
- Wednesday81%0.0% cancelled
- Thursday76%0.0% cancelled
- Friday78%0.8% cancelled
- Saturday75%0.0% cancelled
- Sunday76%0.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft38%
- Air traffic control & airport congestion32%
- Airline (crew, maintenance, cleaning, fueling)27%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Air traffic control & airport congestion50%
- Extreme weather0%
- Security0%
HOU to DEN: common questions
- How often are HOU to DEN flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Denver cancelled?
- 0.3% of scheduled flights were cancelled (8 of 2,380).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 6.2% of flights were an hour or more late.
- How long is taxi time at HOU?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to HOU — 75% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HOU → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.