Historical on-time performance
Columbus to Atlanta
Flights on CMH–ATL arrive on time 85% of the time over the last 12 months.
based on 2,977 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.
- Spirit AirlinesOn-time90%Medianon timep9010 minCancel3.3%Flights30
- Delta Air LinesOn-time86%Medianon timep9020 minCancel1.7%Flights2,703
- Southwest AirlinesOn-time82%Medianon timep9025 minCancel1.2%Flights244
Why flights run late
Delay causes
- Airline43%
- Weather3%
- Air traffic (NAS)21%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline59%
- Weather41%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 49 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 CMH → ATL
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 — 90% on time.
- Mornings90% on time · p90 10 min · 3,689 flights
- Middays87% on time · p90 20 min · 2,259 flights
- Afternoons83% on time · p90 25 min · 1,517 flights
- Evenings77% on time · p90 45 min · 1,826 flights
- Overnights70% on time · p90 60 min · 235 flights
Best day of week
Wednesdays are the most reliable day to fly this route — 90% on time.
- Wednesdays90% on time · p90 10 min · 1,290 flights
- Thursdays87% on time · p90 20 min · 1,443 flights
- Tuesdays87% on time · p90 20 min · 1,309 flights
- Saturdays86% on time · p90 20 min · 1,119 flights
- Mondays84% on time · p90 25 min · 1,472 flights
- Fridays83% on time · p90 30 min · 1,476 flights
- Sundays81% on time · p90 30 min · 1,417 flights
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