Flight Reliability
AS 1394 · Alaska Airlines
Portland → San Diego (PDX–SAN)100% of its flights flew this route. The rest (SEA–LAS) are included in these numbers.
- 87%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 1.0%
- Cancelled
- 3 min early
- Median arrival delay
Based on 209 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 1394 arrived on time 93% of the time on Thursdays. On Fridays: 79%.
A bit ahead of the PDX–SAN route.
AS 1394 arrived on time 87% of the time, versus 81% across the PDX–SAN route.
A bit ahead of the Alaska Airlines network.
AS 1394 arrived on time 87% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 1394 arrived on time 92% of the time over the last three months in the data, compared with 84% in the three months before that.
The breakdown
- Mon90%(31 flights)
- Tue90%(31 flights)
- Wed84%(32 flights)
- Thu93%(30 flights)
- Fri79%(28 flights)
- Sat87%(23 flights)
- Sun84%(32 flights)
- 9 AM–12 PM87%(206 flights)
- 6–9 PM—(1 flights)
Nov 81% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 81% | 26 |
| December 2025 | 70% | 30 |
| January 2026 | 90% | 30 |
| February 2026 | 93% | 28 |
| March 2026 | 93% | 29 |
| April 2026 | 100% | 26 |
| May 2026 | 84% | 31 |
- Departures on time
- 89%
- Diverted
- 0%
- Flights flown
- 207
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 209 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.