Route
TUS → IAH
Tucson International Airport George Bush Intercontinental Airport
937 miles
Return route IAH → TUS →
How punctual is this route?
- On-time arrivals
- 91.0%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 226
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 65%
- Air traffic control & airport 33%
- Late-arriving aircraft 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 10 |
| October 2025 | 100.0% | 25 |
| January 2026 | 93.1% | 30 |
| February 2026 | 91.3% | 46 |
| March 2026 | 93.8% | 35 |
| April 2026 | 87.2% | 39 |
| May 2026 | 85.7% | 21 |
| August 2026 | 80.0% | 20 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 197 | 91.7% | 2.0% | 47 min |
| SkyWest Airlines | 29 | 86.2% | 0.0% | 164 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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