Route
PDX → EWR
Portland International Airport Newark Liberty International Airport
2,434 miles
Return route EWR → PDX →
How punctual is this route?
- On-time arrivals
- 84.3%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 89 min
- Flights arriving 15+ minutes late
- Flights tracked
- 923
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 51%
- Airline (crew, maintenance, cleaning) 25%
- Late-arriving aircraft 24%
- Extreme weather 1%
- 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 | 83.1% | 90 |
| October 2025 | 77.0% | 87 |
| November 2025 | 84.2% | 59 |
| December 2025 | 75.8% | 62 |
| January 2026 | 94.3% | 37 |
| February 2026 | 95.0% | 45 |
| March 2026 | 82.0% | 62 |
| April 2026 | 95.0% | 60 |
| May 2026 | 94.3% | 71 |
| June 2026 | 87.4% | 111 |
| July 2026 | 80.0% | 122 |
| August 2026 | 79.5% | 117 |
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 | 516 | 82.0% | 1.7% | 92 min |
| Alaska Airlines | 407 | 87.2% | 1.7% | 84 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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