HOU to TUS flight delays & on-time performance
Nonstop flights from William P. Hobby Airport to Tucson International Airport · 946 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HOU or TUS 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 Tucson (TUS) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 3% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (100% on time); around 8pm did worst (70%).
- Friday was the most reliable day to fly (92% on time) and Tuesday the least (76%).
- The largest source of delay minutes was late-arriving aircraft (51%).
Which airline is most on time from HOU to TUS?
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 | 87% | 0.0% | 7 min | 2.9% | 171 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am100%13 flights
- 8am100%17 flights
- 11am100%19 flights
- 12pm92%25 flights
- 2pm77%48 flights
- 8pm70%23 flights
- 10pm100%12 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday92%0.0% cancelled
- Tuesday76%0.0% cancelled
- Wednesday79%0.0% cancelled
- Thursday90%0.0% cancelled
- Friday92%0.0% cancelled
- Saturday89%0.0% cancelled
- Sunday85%0.0% 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 aircraft51%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion13%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
HOU to TUS: common questions
- How often are HOU to TUS flights on time?
- 87% 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 Tucson cancelled?
- 0.0% of scheduled flights were cancelled (0 of 171).
- How long are typical delays?
- Across all flights the average arrival delay was 7 min (early arrivals count as zero). Flights that were late arrived 44 min behind schedule on average, and 2.9% 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: TUS to HOU — 88% 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 → TUS, nonstop flights by US airlines that report to the DOT. How we calculate this.