Best Time to Fly PDX to TUS: On-Time Stats by Hour & Airline
Portland International → Tucson International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.8% of Portland (PDX) to Tucson (TUS) flights arrived on time (365 scheduled flights). That is 6.2 points above the national average of 77.6%.
Among 2 airlines, SkyWest Airlines led with 84.9% on time and Alaska Airlines was last with 76.6%.
Over 24 months, Thursday was the most reliable day (85% on time) and December the worst month (77%).
The cancellation rate was 0.0% (US average 1.8%).
PDX to TUS 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 |
|---|---|---|---|---|
| SkyWest Airlines | 84.9% | 57 min | 0.0% | 318 |
| Alaska Airlines | 76.6% | 24 min | 0.0% | 47 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PDX to TUS
On-time arrival % by scheduled departure hour (local time), 707 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 82.5% | 0.0% | 103 |
| 8am–9am | 87.9% | 0.6% | 166 |
| 9am–10am | Limited data | 10 | |
| 10am–11am | 84.7% | 0.0% | 72 |
| 11am–12pm | Limited data | 9 | |
| 1pm–2pm | Limited data | 12 | |
| 2pm–3pm | Limited data | 6 | |
| 5pm–6pm | 82.2% | 0.0% | 164 |
| 6pm–7pm | 87.1% | 0.0% | 62 |
| 7pm–8pm | 70.6% | 1.0% | 103 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PDX to TUS
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) | Limited data | 27 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 71.9% | -11.1 pts | 0.0% | 57 |
| All other days | 83.1% | — | 0.3% | 623 |
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).