Flight Reliability
AS 1370 · Alaska Airlines
Portland → Austin (PDX–AUS)94% of its flights flew this route. The rest (FAI–SEA, LAX–PDX) are included in these numbers.
90
Nerd Approved
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 0.4%
- Cancelled
- 13 min early
- Median arrival delay
Based on 246 historical flights. Data through May 2026.
What the data says
Wednesday is the weak spot.
AS 1370 arrived on time 91% of the time on Mondays. On Wednesdays: 79%.
A bit ahead of the Alaska Airlines network.
AS 1370 arrived on time 84% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 1370 arrived on time 90% of the time over the last three months in the data, compared with 85% in the three months before that.
The breakdown
- Mon91%(35 flights)
- Tue88%(25 flights)
- Wed79%(29 flights)
- Thu80%(39 flights)
- Fri85%(40 flights)
- Sat79%(34 flights)
- Sun84%(43 flights)
- 12–3 AM—(7 flights)
- 3–6 PM83%(210 flights)
- 9 PM–12 AM86%(28 flights)
81%
May
Jun 73% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 26 |
| July 2025 | 71% | 31 |
| August 2025 | 90% | 29 |
| September 2025 | 85% | 20 |
| October 2025 | 71% | 17 |
| November 2025 | 100% | 20 |
| December 2025 | 85% | 13 |
| March 2026 | 100% | 22 |
| April 2026 | 90% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 245
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 246 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.