Route Reliability
Missoula → San Francisco
MSO–SFO · 769 miles · Missoula Montana Airport to San Francisco International Airport
86
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 1.5%
- Cancelled
- 136
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 84% of the time across 136 flights. No comparison to make.
What the data says
Departure time hasn't mattered much.
On-time rates stay between 83% and 85% across the day.
Sunday scaries are real for this one.
MSO–SFO flights arrived on time 92% of the time on Wednesdays and just 74% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon89%(18 flights)
- Tue83%(12 flights)
- Wed92%(12 flights)
- Thu88%(16 flights)
- Fri77%(17 flights)
- Sat88%(40 flights)
- Sun74%(19 flights)
- 12–3 PM83%(23 flights)
- 3–6 PM85%(111 flights)
50%
May
Jun 87% → May 50% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 31 |
| July 2025 | 80% | 35 |
| August 2025 | 97% | 30 |
| September 2025 | 100% | 13 |
| May 2026 | 50% | 10 |
Same trip, other airports
Keep nerding
Based on 136 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.