Flight Reliability
AS 1386 · Alaska Airlines
Portland → Burbank (PDX–BUR)
88
Pretty Reliable
WanderNerd Reliability Score
- 89%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 1.5%
- Cancelled
- 9 min early
- Median arrival delay
Based on 137 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AS 1386 departing between 3–6 PM arrived on time 100% of the time, versus 88% between 12–3 PM.
Friday is doing you no favors.
AS 1386 arrived on time 100% of the time on Saturdays and just 68% on Fridays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 1386 arrived on time 89% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon90%(20 flights)
- Tue89%(18 flights)
- Wed90%(19 flights)
- Thu91%(21 flights)
- Fri68%(19 flights)
- Sat100%(15 flights)
- Sun96%(22 flights)
- 12–3 PM88%(123 flights)
- 3–6 PM100%(11 flights)
84%
May
Nov 96% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 96% | 26 |
| December 2025 | 89% | 26 |
| February 2026 | 94% | 16 |
| March 2026 | 81% | 16 |
| May 2026 | 84% | 31 |
- Departures on time
- 87%
- Diverted
- 0.7%
- Flights flown
- 134
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 137 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.