Historical on-time performance
San Diego to Boise
Flights on SAN–BOI arrive on time 77% of the time over the last 12 months.
based on 830 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- SkyWest AirlinesOn-time85%Medianon timep9030 minCancel0.6%Flights343
- Alaska AirlinesOn-time79%Medianon timep9035 minCancel1.4%Flights213
- Southwest AirlinesOn-time66%Medianon timep9060 minCancel0.0%Flights274
Why flights run late
Delay causes
- Airline21%
- Weather2%
- Air traffic (NAS)14%
- Late aircraft63%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline40%
- Weather60%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SAN → BOI
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 75% to 81% on time.
- Mornings81% on time · p90 25 min · 685 flights
- Overnights79% on time · p90 35 min · 283 flights
- Afternoons77% on time · p90 40 min · 197 flights · limited
- Middays76% on time · p90 45 min · 468 flights
- Evenings75% on time · p90 50 min · 699 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 85% on time.
- Wednesdays85% on time · p90 20 min · 299 flights
- Saturdays84% on time · p90 20 min · 316 flights
- Tuesdays83% on time · p90 25 min · 305 flights
- Sundays80% on time · p90 35 min · 383 flights
- Mondays74% on time · p90 45 min · 342 flights
- Fridays72% on time · p90 50 min · 345 flights
- Thursdays71% on time · p90 55 min · 342 flights
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