Flight Reliability
AS 2197 · Alaska Airlines
BIL → Portland (BIL–PDX)98% of its flights flew this route. The rest (LAX–RNO, BOI–LAS) are included in these numbers.
92
Nerd Approved
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0%
- Cancelled
- 4 min early
- Median arrival delay
Based on 229 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 2197 arrived on time 93% of the time on Tuesdays and just 75% on Thursdays. That gap is worth planning around.
A bit behind the BIL–PDX route.
AS 2197 arrived on time 84% of the time, versus 87% across the BIL–PDX route.
A bit ahead of the Alaska Airlines network.
AS 2197 arrived on time 84% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 229 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon80%(35 flights)
- Tue93%(30 flights)
- Wed86%(29 flights)
- Thu75%(32 flights)
- Fri85%(33 flights)
- Sat78%(36 flights)
- Sun91%(34 flights)
- 12–3 PM—(2 flights)
- 3–6 PM85%(224 flights)
- 9 PM–12 AM—(3 flights)
95%
Jan
Jun 70% → Jan 95% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 87% | 31 |
| August 2025 | 87% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 86% | 29 |
| December 2025 | 53% | 19 |
| January 2026 | 95% | 19 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 229
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 229 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.