Best Time to Fly PHX to PDX: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Portland International
Data through July 2026 · Last updated October 18, 2026
3,748 flights were scheduled from Phoenix (PHX) to Portland (PDX) in the last 12 months, and 77.8% of those that flew arrived on time, in line with the US average of 77.6%.
Frontier Airlines was the most punctual of the 6 airlines on the route at 90.7%, while Southwest Airlines trailed at 68.2%.
February has been the best month (88% on time) and Thursday the weakest day of the week (78%).
0.4% of flights were cancelled, versus 1.8% nationally.
PHX to PDX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlines | 90.7% | 86 min | 0.0% | 86 |
| Alaska Airlines | 86.5% | 53 min | 0.3% | 1,403 |
| SkyWest Airlines | 83.3% | 61 min | 0.0% | 84 |
| Envoy Air | 80.6% | 62 min | 0.0% | 36 |
| American Airlines | 76.0% | 67 min | 0.6% | 870 |
| Southwest Airlines | 68.2% | 47 min | 0.5% | 1,269 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to PDX
On-time arrival % by scheduled departure hour (local time), 7,799 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 100.0% | 0.0% | 31 |
| 6am–7am | 94.3% | 0.3% | 300 |
| 7am–8am | 90.9% | 0.3% | 897 |
| 8am–9am | 89.7% | 0.0% | 495 |
| 9am–10am | 88.3% | 0.0% | 351 |
| 10am–11am | 88.3% | 0.2% | 447 |
| 11am–12pm | 82.8% | 0.0% | 570 |
| 12pm–1pm | 82.2% | 1.1% | 187 |
| 1pm–2pm | 84.8% | 0.0% | 323 |
| 2pm–3pm | 78.2% | 0.4% | 743 |
| 3pm–4pm | 73.8% | 0.3% | 322 |
| 4pm–5pm | 74.8% | 0.9% | 232 |
| 5pm–6pm | 75.0% | 0.5% | 652 |
| 6pm–7pm | 71.3% | 0.6% | 679 |
| 7pm–8pm | 72.0% | 0.0% | 189 |
| 8pm–9pm | 74.5% | 0.2% | 637 |
| 9pm–10pm | 75.4% | 0.2% | 493 |
| 10pm–11pm | 62.9% | 0.0% | 245 |
| 11pm–12am | Limited data | 6 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX to PDX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 82.3% | -0.3 pts | 0.0% | 171 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.4% | -11.3 pts | 0.0% | 360 |
| Summer peak (Jun 15 - Aug 15) | 72.8% | -9.8 pts | 0.1% | 1,252 |
| All other days | 82.7% | — | 0.3% | 6,016 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).