Historical on-time performance
Chattanooga to Atlanta
106 miData through May 2026Source: US DOT · BTS
Flights on CHA–ATL arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled2.5%of scheduled flights
based on 1,330 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time83%Medianon timep9030 minCancel2.5%Flights1,330
Why flights run late
Delay causes
- Airline41%
- Weather4%
- Air traffic (NAS)11%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline58%
- Weather42%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 33 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 CHA → 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 · 2,005 flights
- Middays87% on time · p90 20 min · 1,574 flights
- Afternoons81% on time · p90 40 min · 1,067 flights
- Evenings80% on time · p90 45 min · 873 flights
- Overnights69% on time · p90 90 min · 127 flights · limited
Best day of week
Wednesdays are the most reliable day to fly this route — 90% on time.
- Wednesdays90% on time · p90 10 min · 782 flights
- Thursdays86% on time · p90 30 min · 822 flights
- Mondays86% on time · p90 20 min · 841 flights
- Fridays86% on time · p90 25 min · 830 flights
- Tuesdays86% on time · p90 25 min · 811 flights
- Saturdays84% on time · p90 25 min · 738 flights
- Sundays80% on time · p90 40 min · 822 flights
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