Historical on-time performance
Boise to San Diego
Flights on BOI–SAN arrive on time 83% of the time over the last 12 months.
based on 800 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.
- Alaska AirlinesOn-time90%Medianon timep9010 minCancel1.1%Flights183
- SkyWest AirlinesOn-time81%Medianon timep9035 minCancel0.6%Flights343
- Southwest AirlinesOn-time81%Medianon timep9025 minCancel0.7%Flights274
Why flights run late
Delay causes
- Airline24%
- Weather3%
- Air traffic (NAS)28%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather67%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 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 BOI → SAN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 1,017 flights
- Middays83% on time · p90 25 min · 467 flights
- Afternoons79% on time · p90 25 min · 216 flights
- Evenings72% on time · p90 45 min · 581 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Wednesdays87% on time · p90 20 min · 297 flights
- Saturdays86% on time · p90 20 min · 316 flights
- Tuesdays83% on time · p90 20 min · 305 flights
- Mondays82% on time · p90 25 min · 341 flights
- Thursdays81% on time · p90 30 min · 343 flights
- Fridays79% on time · p90 30 min · 345 flights
- Sundays79% on time · p90 35 min · 389 flights
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