Route
EWR → PDX
Newark Liberty International Airport Portland International Airport
How punctual is this route?
- On-time arrivals
- 75.9%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 923
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 35%
- Late-arriving aircraft 32%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.8% | 90 |
| October 2025 | 80.5% | 87 |
| November 2025 | 69.0% | 59 |
| December 2025 | 50.0% | 62 |
| January 2026 | 83.3% | 37 |
| February 2026 | 82.9% | 45 |
| March 2026 | 68.3% | 62 |
| April 2026 | 76.7% | 60 |
| May 2026 | 87.1% | 71 |
| June 2026 | 79.3% | 111 |
| July 2026 | 72.4% | 122 |
| August 2026 | 72.4% | 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 | 76.8% | 1.9% | 78 min |
| Alaska Airlines | 407 | 74.8% | 1.5% | 80 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AS290
29% late · 324 flights
-
UA560
29% late · 134 flights
-
UA1613
14% late · 97 flights
-
AS1630
12% late · 70 flights
-
UA2310
6% late · 37 flights
-
UA435
46% late · 36 flights
-
UA2055
6% late · 31 flights
-
UA2089
19% late · 31 flights
-
UA2069
22% late · 24 flights
-
UA2338
32% late · 24 flights
-
UA532
0% late · 24 flights
-
UA1301
43% late · 21 flights
-
UA2104
20% late · 21 flights
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