Portland (PWM) departure delays
10,949 departures · 21 routes · January 2025 – August 2026
81.93%
Left on time
Within 15 minutes of schedule
2.67%
Cancelled
Share of departures
98 min
When late, late by
Average delayed departure
#113
Rank
Among graded US airports
What the record says about PWM
PWM runs about as well as the average airport here.
The airlines flying from here are not equally affected. Republic Airways left on time 14.9 points more often than SkyWest Airlines from the same airport — which is the clearest evidence available that a delayed departure is not purely the airport's fault.
Which airlines run best out of PWM
| Airline | Departures | On time |
|---|---|---|
| Republic Airways | 3,493 | 82.6% |
| Delta Air Lines | 1,185 | 82.3% |
| Envoy Air | 204 | 81.5% |
| Southwest Airlines | 1,654 | 80.6% |
| JetBlue Airways | 439 | 79.6% |
| American Airlines | 1,953 | 77.8% |
| United Airlines | 851 | 77.8% |
| PSA Airlines | 717 | 76.6% |
| SkyWest Airlines | 444 | 67.7% |
Routes out of PWM
Common questions
How bad are delays at Portland (PWM)?
81.93% of departures from PWM left within 15 minutes of schedule across 10,949 flights. That is better than most airports in this record.
Which airline is most punctual from PWM?
Republic Airways, at 82.6% on time from this airport. The least punctual was SkyWest Airlines at 67.7%.
How often are flights from PWM cancelled?
2.67% of scheduled departures did not operate.