Historical on-time performance
Atlanta to Los Angeles
1,946 miData through May 2026Source: US DOT · BTS
Flights on ATL–LAX arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 5,035 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Spirit AirlinesbestOn-time84%Medianon timep9035 minCancel0.9%Flights325
- Delta Air LinesOn-time78%Medianon timep9040 minCancel0.9%Flights3,875
- American AirlinesOn-time72%Medianon timep9085 minCancel0.6%Flights352
- Frontier AirlinesOn-time65%Medianon timep9075 minCancel2.7%Flights483
Why flights run late
Delay causes
- Airline50%
- Weather6%
- Air traffic (NAS)15%
- Late aircraft28%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline55%
- Weather43%
- Air traffic (NAS)2%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 51 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 ATL → LAX
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 67% to 82% on time.
- Mornings82% on time · p90 20 min · 3,795 flights
- Middays82% on time · p90 30 min · 3,565 flights
- Afternoons74% on time · p90 40 min · 3,270 flights
- Evenings69% on time · p90 60 min · 3,272 flights
- Overnights67% on time · p90 60 min · 1,999 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.
- Wednesdays80% on time · p90 30 min · 2,177 flights
- Tuesdays79% on time · p90 35 min · 2,173 flights
- Saturdays76% on time · p90 40 min · 2,172 flights
- Thursdays76% on time · p90 40 min · 2,337 flights
- Mondays75% on time · p90 45 min · 2,334 flights
- Fridays74% on time · p90 45 min · 2,347 flights
- Sundays73% on time · p90 50 min · 2,361 flights
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