Portland International Airport (PDX) delays & on-time performance
Portland, Oregon · 74 nonstop destinations · 12 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PDX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.7%
471 flights
Avg arrival delay
11 min
60 min when late
Departed on time
83%
avg taxi-out 16 min
Figures cover 63,282 departures from PDX; on-time is measured at arrival. Arrivals into PDX were on time 81% of the time.
Key facts
- Flights departing Portland International Airport (PDX) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.7% were cancelled, and 4% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (90% on time); Southwest Airlines was the least (77%).
- Departures scheduled around 5am did best (95% on time); around 7pm did worst (77%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (37%).
Most delayed routes from PDX
Lowest on-time arrival rates among regularly flown routes.
- HNL · Honolulu61%908 flts
- SFO · San Francisco69%3,494 flts
- SAN · San Diego77%1,771 flts
- OAK · Oakland78%1,287 flts
- DTW · Detroit78%379 flts
- BOS · Boston79%671 flts
- ORD · Chicago79%2,808 flts
- PHX · Phoenix79%3,750 flts
- LAS · Las Vegas81%2,956 flts
- DFW · Dallas/Fort Worth81%2,380 flts
Most reliable routes from PDX
Highest on-time arrival rates among regularly flown routes.
- MSP · Minneapolis92%1,543 flts
- CLT · Charlotte91%440 flts
- SNA · Santa Ana91%1,550 flts
- EUG · Eugene91%582 flts
- MDW · Chicago90%684 flts
- OGG · Kahului90%728 flts
- SLC · Salt Lake City89%2,374 flts
- ATL · Atlanta89%1,551 flts
- JFK · New York87%914 flts
- LAX · Los Angeles87%4,345 flts
Best airline at PDX
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 90% | 1.1% | 8 min | 8 | 7,194 |
| SkyWest Airlines | 86% | 0.6% | 10 min | 31 | 10,528 |
| Spirit Airlines | 86% | 0.0% | 9 min | 1 | 70 |
| Alaska Airlines | 83% | 0.6% | 9 min | 47 | 23,990 |
| United Airlines | 81% | 0.6% | 13 min | 6 | 6,627 |
| Envoy Air | 81% | 0.0% | 10 min | 1 | 36 |
| American Airlines | 80% | 2.0% | 22 min | 7 | 4,504 |
| Frontier Airlines | 79% | 1.4% | 15 min | 7 | 865 |
| Southwest Airlines | 77% | 0.3% | 13 min | 14 | 8,559 |
| Allegiant Air | 72% | 0.3% | 44 min | 10 | 396 |
| JetBlue | 70% | 3.6% | 31 min | 1 | 138 |
| Hawaiian Airlines | 57% | 1.3% | 33 min | 1 | 375 |
Best time to fly out of PDX
On-time arrival rate by scheduled departure hour (local time).
- 5am95%3,160 flts
- 6am93%2,912 flts
- 7am84%9,911 flts
- 8am88%1,879 flts
- 9am86%1,752 flts
- 10am82%8,553 flts
- 11am80%2,830 flts
- 12pm84%1,918 flts
- 1pm79%3,091 flts
- 2pm82%6,752 flts
- 3pm77%1,853 flts
- 4pm76%918 flts
- 5pm79%6,790 flts
- 6pm74%1,212 flts
- 7pm77%1,895 flts
- 8pm74%861 flts
- 9pm82%3,384 flts
- 10pm84%1,404 flts
- 11pm84%1,864 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)37%
- Late-arriving aircraft36%
- Air traffic control & airport congestion24%
- Extreme weather3%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.