Flight Reliability
AS 198 · Alaska Airlines
Anchorage → Portland (ANC–PDX)
96
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 309 historical flights. Data through May 2026.
What the data says
Wednesday has been the better bet.
A small edge: 91% on time on Wednesdays against 86% on Fridays.
Better than the Alaska Airlines network average.
AS 198 arrived on time 88% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 309 scheduled flights, only 0.0% were cancelled.
Trending in the right direction.
AS 198 arrived on time 95% of the time over the last three months in the data, compared with 87% in the three months before that.
The breakdown
- Mon87%(47 flights)
- Tue89%(47 flights)
- Wed91%(43 flights)
- Thu89%(45 flights)
- Fri86%(44 flights)
- Sat89%(36 flights)
- Sun87%(47 flights)
- 9 AM–12 PM88%(186 flights)
- 12–3 PM89%(123 flights)
100%
Apr
Jun 83% → Apr 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 74% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 89% | 27 |
| November 2025 | 97% | 29 |
| December 2025 | 83% | 30 |
| January 2026 | 81% | 31 |
| February 2026 | 92% | 25 |
| March 2026 | 93% | 27 |
| April 2026 | 100% | 18 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 309
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 309 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.