Route Reliability
San Diego → Kalispell
SAN–FCA · 1,086 miles · San Diego International Airport to Glacier Park International Airport
80
Pretty Reliable
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 0%
- Cancelled
- 40
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 73% of the time across 40 flights. No comparison to make.
What the data says
Sunday scaries are real for this one.
SAN–FCA flights arrived on time 80% of the time on Tuesdays and just 60% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon—(0 flights)
- Tue80%(10 flights)
- Wed—(0 flights)
- Thu80%(10 flights)
- Fri—(0 flights)
- Sat70%(10 flights)
- Sun60%(10 flights)
64%
Aug
Jun 55% → Aug 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 55% | 11 |
| July 2025 | 89% | 18 |
| August 2025 | 64% | 11 |
Keep nerding
Based on 40 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.