Best Time to Fly PDX to AUS: On-Time Stats by Hour & Airline
Portland International → Austin - Bergstrom International
Data through July 2026 · Last updated October 18, 2026
607 flights were scheduled from Portland (PDX) to Austin (AUS) in the last 12 months, and 84.9% of those that flew arrived on time, 7.3 points above the US average of 77.6%.
Alaska Airlines was the only reporting airline with regular flights on this route.
March has been the best month (89% on time) and Thursday the weakest day of the week (77%).
0.5% of flights were cancelled, versus 1.8% nationally.
PDX to AUS 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 |
|---|---|---|---|---|
| Alaska Airlines | 84.9% | 49 min | 0.5% | 607 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PDX to AUS
On-time arrival % by scheduled departure hour (local time), 1,031 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 10am–11am | 81.6% | 0.7% | 428 |
| 11am–12pm | 84.8% | 0.0% | 105 |
| 12pm–1pm | 70.4% | 1.8% | 55 |
| 1pm–2pm | 74.7% | 2.1% | 94 |
| 2pm–3pm | Limited data | 28 | |
| 5pm–6pm | 83.2% | 0.3% | 293 |
| 11pm–12am | Limited data | 28 | |
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 AUS
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 | 19 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 74.4% | -8.8 pts | 0.0% | 43 |
| Summer peak (Jun 15 - Aug 15) | 76.6% | -6.6 pts | 0.4% | 233 |
| All other days | 83.3% | — | 0.8% | 736 |
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).