Flight Reliability
AS 325 · Alaska Airlines
Chicago → Portland (ORD–PDX)
77
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0.9%
- Cancelled
- 2 min
- Median arrival delay
Based on 351 historical flights. Data through May 2026.
What the data says
Wednesdays have been rough.
AS 325 arrived on time 79% of the time on Mondays and just 57% on Wednesdays. That gap is worth planning around.
Lagging the Alaska Airlines network.
AS 325 arrived on time 72% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 325 arrived on time 79% of the time over the last three months in the data, compared with 75% in the three months before that.
The breakdown
- Mon79%(52 flights)
- Tue71%(52 flights)
- Wed57%(46 flights)
- Thu78%(51 flights)
- Fri68%(50 flights)
- Sat78%(45 flights)
- Sun75%(52 flights)
81%
May
Jun 77% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 30 |
| July 2025 | 73% | 30 |
| August 2025 | 71% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 52% | 31 |
| November 2025 | 59% | 27 |
| December 2025 | 58% | 31 |
| January 2026 | 86% | 22 |
| February 2026 | 80% | 25 |
| March 2026 | 73% | 30 |
| April 2026 | 83% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 70%
- Diverted
- 0%
- Flights flown
- 348
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 351 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.