Historical on-time performance
Boise to Portland
Flights on BOI–PDX arrive on time 91% of the time over the last 12 months.
based on 1,055 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-time91%Medianon timep9010 minCancel0.9%Flights443
- Alaska AirlinesOn-time91%Medianon timep9010 minCancel0.2%Flights612
Why flights run late
Delay causes
- Airline27%
- Weather2%
- Air traffic (NAS)9%
- Late aircraft61%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather0%
- Air traffic (NAS)80%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). 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 BOI → PDX
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 — 95% on time.
- Mornings95% on time · p90 5 min · 1,125 flights
- Afternoons88% on time · p90 15 min · 827 flights
- Middays86% on time · p90 20 min · 730 flights
- Evenings82% on time · p90 30 min · 408 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 85% to 93% on time.
- Tuesdays93% on time · p90 5 min · 434 flights
- Saturdays92% on time · p90 10 min · 398 flights
- Wednesdays91% on time · p90 10 min · 438 flights
- Sundays89% on time · p90 15 min · 446 flights
- Mondays88% on time · p90 20 min · 474 flights
- Thursdays87% on time · p90 15 min · 473 flights
- Fridays85% on time · p90 25 min · 474 flights
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