Route Reliability
Portland → Newark
PDX–EWR · 2,434 miles · Portland International Airport to Newark Liberty International Airport
- 83%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 2.1%
- Cancelled
- 824
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines85%496 flights
- 2.Alaska Airlines80%328 flights
What the data says
The 6–9 AM departure wins.
PDX–EWR flights departing between 6–9 AM arrived on time 93% of the time, versus 78% between 9 AM–12 PM.
Saturdays have been rough.
PDX–EWR flights arrived on time 95% of the time on Fridays and just 74% on Saturdays. That gap is worth planning around.
United Airlines has a slight edge here.
United Airlines arrived on time 85% of the time on this route; Alaska Airlines managed 80%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon84%(113 flights)
- Tue91%(117 flights)
- Wed82%(113 flights)
- Thu75%(114 flights)
- Fri95%(117 flights)
- Sat74%(116 flights)
- Sun79%(114 flights)
- 6–9 AM93%(44 flights)
- 9 AM–12 PM78%(403 flights)
- 12–3 PM—(3 flights)
- 9 PM–12 AM87%(354 flights)
Jun 75% → May 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 65 |
| July 2025 | 72% | 87 |
| August 2025 | 75% | 91 |
| September 2025 | 85% | 89 |
| October 2025 | 79% | 87 |
| November 2025 | 86% | 57 |
| December 2025 | 76% | 62 |
| January 2026 | 94% | 35 |
| February 2026 | 95% | 40 |
| March 2026 | 82% | 61 |
| April 2026 | 95% | 60 |
| May 2026 | 96% | 70 |
Same trip, other airports
Keep nerding
Based on 824 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.