Historical on-time performance
Boise to Atlanta
1,838 miData through May 2026Source: US DOT · BTS
Flights on BOI–ATL arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.9%of scheduled flights
based on 521 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time78%Medianon timep9035 minCancel1.9%Flights521
Why flights run late
Delay causes
- Airline37%
- Weather0%
- Air traffic (NAS)25%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline70%
- Weather30%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 10 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 → ATL
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 74% to 83% on time.
- Middays83% on time · p90 25 min · 864 flights
- Afternoons78% on time · p90 30 min · 232 flights
- Overnights74% on time · p90 55 min · 413 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 84% on time.
- Thursdays84% on time · p90 25 min · 249 flights
- Saturdays83% on time · p90 35 min · 171 flights · limited
- Tuesdays81% on time · p90 30 min · 181 flights · limited
- Wednesdays81% on time · p90 40 min · 189 flights · limited
- Mondays79% on time · p90 30 min · 215 flights
- Fridays77% on time · p90 30 min · 251 flights
- Sundays74% on time · p90 40 min · 253 flights
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