Route
IAH → PDX
George Bush Intercontinental Airport Portland International Airport
1,825 miles
Return route PDX → IAH →
How punctual is this route?
- On-time arrivals
- 80.9%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,209
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 14%
- Extreme weather 10%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.4% | 96 |
| October 2025 | 75.9% | 118 |
| November 2025 | 80.0% | 90 |
| December 2025 | 82.9% | 105 |
| January 2026 | 87.1% | 94 |
| February 2026 | 80.0% | 80 |
| March 2026 | 77.5% | 91 |
| April 2026 | 89.9% | 91 |
| May 2026 | 76.3% | 119 |
| June 2026 | 73.7% | 115 |
| July 2026 | 78.6% | 117 |
| August 2026 | 89.1% | 93 |
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 | 856 | 82.3% | 0.2% | 68 min |
| Alaska Airlines | 353 | 77.6% | 1.1% | 66 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
Reviews
No reviews yet. Be the first to review this route.