Airports › Portland (PDX) › August 2023
Airport month · August 2023
Portland International in August 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 August 2023, reporting carriers scheduled 5,273 domestic departures from Portland International (PDX). 83.4% left less than 15 minutes late and 81.6% reached their destination on time; 0.7% were cancelled.
Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so PDX departures were 6.7 points above the national departure figure.
Flights arriving at PDX that month were on time 80.3% of the time (5,272 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 37% and national aviation system 17%.
- On time 81.6%
- Arrived 15+ minutes late 17.4%
- Cancelled 0.7%
- Diverted 0.3%
August 2023 against a year earlier, the airport's year and the nation
| Measure | Aug 2023 | Year earlier | PDX, 12 months to Jul 2026 | All reported flights, Aug 2023 |
|---|---|---|---|---|
| Departed on time | 83.4% | — | 82.7% | 76.7% |
| Arrived on time | 81.6% | — | 82.0% | 76.9% |
| Cancelled | 0.7% | — | 0.7% | 1.5% |
| Average departure delay (late minutes only) | 11.9 min | — | 11.6 min | 17.3 min |
| Scheduled departures a day | 176 | — | 173 | 20,100 |
| Scheduled departures | 5,273 | — | 63,282 | 602,987 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AS Alaska Airlines | 1,318 | 25% | 80.6% | 5.5 min | 0.3% |
| WN Southwest Airlines | 1,034 | 20% | 78.7% | 5.5 min | 1.0% |
| OO SkyWest Airlines | 842 | 16% | 85.6% | 2.9 min | 0.1% |
| DL Delta Air Lines | 707 | 13% | 91.7% | -5.0 min | 0.7% |
| UA United Airlines | 652 | 12% | 82.5% | -0.1 min | 1.1% |
| AA American Airlines | 359 | 7% | 75.2% | 23.4 min | 1.1% |
| F9 Frontier Airlines | 93 | 2% | 66.7% | 21.5 min | 3.2% |
| NK Spirit Airlines | 89 | 2% | 73.0% | 19.5 min | 2.2% |
| B6 JetBlue Airways | 62 | 1% | 51.6% | 36.3 min | 1.6% |
| HA Hawaiian Airlines | 62 | 1% | 75.8% | 9.3 min | 0.0% |
| G4 Allegiant Air | 41 | 1% | 75.6% | 1.7 min | 0.0% |
| MQ Envoy Air | 14 | 0% | 85.7% | -4.9 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| PDX–SEA | Portland to Seattle | 589 | 86.1% | 4.4 min | 0.3% |
| PDX–DEN | Portland to Denver | 438 | 79.5% | 4.1 min | 0.0% |
| PDX–LAX | Portland to Los Angeles | 372 | 88.2% | 0.4 min | 0.3% |
| PDX–LAS | Portland to Las Vegas | 337 | 76.3% | 10.4 min | 2.7% |
| PDX–SFO | Portland to San Francisco | 277 | 78.0% | 5.1 min | 0.7% |
| PDX–PHX | Portland to Phoenix | 263 | 77.2% | 8.9 min | 0.4% |
| PDX–SJC | Portland to San Jose | 221 | 86.9% | 2.7 min | 0.5% |
| PDX–OAK | Portland to Oakland | 219 | 76.7% | 4.5 min | 0.9% |
| PDX–ORD | Portland to Chicago | 215 | 81.9% | -2.4 min | 1.9% |
| PDX–DFW | Portland to Dallas/Fort Worth | 207 | 71.0% | 32.6 min | 0.5% |
| PDX–SLC | Portland to Salt Lake City | 204 | 88.7% | -0.2 min | 0.0% |
| PDX–SMF | Portland to Sacramento | 153 | 80.4% | 4.2 min | 0.7% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left PDX on time in August 2023?
83.4% of 5,273 scheduled domestic departures left less than 15 minutes late, and 81.6% reached their destination on time. The national figures that month were 76.7% and 76.9%.
How does that compare with a year earlier?
August 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 August 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.