Airports › Portland (PDX) › September 2023
Airport month · September 2023
Portland International in September 2023
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In September 2023, reporting carriers scheduled 4,913 domestic departures from Portland International (PDX). 87.0% left less than 15 minutes late and 85.3% reached their destination on time; 0.4% were cancelled.
Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so PDX departures were 6.5 points above the national departure figure.
Flights arriving at PDX that month were on time 84.1% of the time (4,919 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 39% and national aviation system 20%.
- On time 85.3%
- Arrived 15+ minutes late 14.1%
- Cancelled 0.4%
- Diverted 0.3%
September 2023 against a year earlier, the airport's year and the nation
| Measure | Sep 2023 | Year earlier | PDX, 12 months to Jul 2026 | All reported flights, Sep 2023 |
|---|---|---|---|---|
| Departed on time | 87.0% | — | 82.7% | 80.5% |
| Arrived on time | 85.3% | — | 82.0% | 80.1% |
| Cancelled | 0.4% | — | 0.7% | 1.2% |
| Average departure delay (late minutes only) | 9.8 min | — | 11.6 min | 14.1 min |
| Scheduled departures a day | 164 | — | 173 | 18,978 |
| Scheduled departures | 4,913 | — | 63,282 | 569,338 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AS Alaska Airlines | 1,197 | 24% | 84.0% | 0.8 min | 0.5% |
| WN Southwest Airlines | 891 | 18% | 84.8% | 1.7 min | 0.3% |
| OO SkyWest Airlines | 818 | 17% | 86.4% | 0.4 min | 0.0% |
| DL Delta Air Lines | 649 | 13% | 91.8% | -3.1 min | 0.0% |
| UA United Airlines | 614 | 12% | 86.3% | -2.9 min | 0.7% |
| AA American Airlines | 330 | 7% | 86.7% | 7.2 min | 0.6% |
| F9 Frontier Airlines | 145 | 3% | 80.0% | 15.6 min | 1.4% |
| NK Spirit Airlines | 116 | 2% | 77.6% | 11.5 min | 1.7% |
| B6 JetBlue Airways | 60 | 1% | 43.3% | 118.9 min | 1.7% |
| HA Hawaiian Airlines | 60 | 1% | 91.7% | -4.2 min | 0.0% |
| G4 Allegiant Air | 33 | 1% | 66.7% | 15.2 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| PDX–SEA | Portland to Seattle | 627 | 89.6% | -4.0 min | 0.6% |
| PDX–DEN | Portland to Denver | 423 | 87.2% | 0.6 min | 0.5% |
| PDX–LAS | Portland to Las Vegas | 364 | 78.3% | 9.0 min | 1.4% |
| PDX–LAX | Portland to Los Angeles | 304 | 89.8% | -1.7 min | 0.0% |
| PDX–PHX | Portland to Phoenix | 293 | 81.9% | 4.0 min | 0.0% |
| PDX–SFO | Portland to San Francisco | 283 | 78.4% | 4.2 min | 0.7% |
| PDX–SJC | Portland to San Jose | 207 | 87.0% | -1.9 min | 0.0% |
| PDX–ORD | Portland to Chicago | 180 | 85.6% | 3.9 min | 0.0% |
| PDX–OAK | Portland to Oakland | 174 | 85.1% | 1.5 min | 0.0% |
| PDX–SLC | Portland to Salt Lake City | 174 | 90.2% | -5.1 min | 0.0% |
| PDX–DFW | Portland to Dallas/Fort Worth | 171 | 84.8% | -0.8 min | 1.2% |
| PDX–SMF | Portland to Sacramento | 137 | 84.7% | -2.2 min | 0.7% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left PDX on time in September 2023?
87.0% of 4,913 scheduled domestic departures left less than 15 minutes late, and 85.3% reached their destination on time. The national figures that month were 80.5% and 80.1%.
How does that compare with a year earlier?
September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for PDX · methodology · corrections.