Flight Reliability
AS 1376 · Alaska Airlines
Portland → Nashville (PDX–BNA)
89
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 171 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 1376 arrived on time 100% of the time on Wednesdays and just 68% on Fridays. That gap is worth planning around.
It basically never cancels.
Out of 171 scheduled flights, only 0.0% were cancelled.
Ticking up lately.
AS 1376 arrived on time 86% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon73%(26 flights)
- Tue89%(26 flights)
- Wed100%(21 flights)
- Thu88%(25 flights)
- Fri68%(25 flights)
- Sat76%(21 flights)
- Sun74%(27 flights)
81%
May
Nov 62% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 62% | 29 |
| December 2025 | 81% | 31 |
| February 2026 | 100% | 12 |
| March 2026 | 85% | 27 |
| April 2026 | 93% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 171
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 171 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.