Route
IAH → PIT
George Bush Intercontinental Airport Pittsburgh International Airport
1,117 miles
Return route PIT → IAH →
How punctual is this route?
- On-time arrivals
- 84.0%
- Less than 15 minutes late
- Cancelled
- 0.1%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 809
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 14%
- Extreme weather 4%
- 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 | 77.6% | 49 |
| October 2025 | 84.8% | 66 |
| November 2025 | 83.1% | 77 |
| December 2025 | 88.0% | 75 |
| January 2026 | 90.3% | 32 |
| February 2026 | 95.2% | 42 |
| March 2026 | 71.0% | 62 |
| April 2026 | 88.5% | 88 |
| May 2026 | 82.4% | 69 |
| June 2026 | 79.3% | 82 |
| July 2026 | 82.1% | 84 |
| August 2026 | 89.0% | 83 |
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 | 809 | 84.0% | 0.1% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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