Historical on-time performance
Dallas to Atlanta
721 miData through Dec 2025Source: US DOT · BTS
Flights on DAL–ATL 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)
Cancelled1.8%of scheduled flights
based on 3,502 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.
- Delta Air LinesOn-time79%Medianon timep9050 minCancel1.7%Flights1,842
- Southwest AirlinesOn-time76%Medianon timep9045 minCancel1.8%Flights1,660
Why flights run late
Delay causes
- Airline32%
- Weather9%
- Air traffic (NAS)16%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DAL → ATL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 3,202 flights
- Middays80% on time · p90 35 min · 2,726 flights
- Afternoons72% on time · p90 50 min · 1,997 flights
- Evenings69% on time · p90 60 min · 2,029 flights
- Overnights67% on time · p90 65 min · 587 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 82% on time.
- Tuesdays82% on time · p90 35 min · 1,487 flights
- Saturdays80% on time · p90 40 min · 1,301 flights
- Wednesdays80% on time · p90 40 min · 1,489 flights
- Mondays79% on time · p90 35 min · 1,556 flights
- Thursdays76% on time · p90 45 min · 1,541 flights
- Fridays75% on time · p90 45 min · 1,551 flights
- Sundays74% on time · p90 45 min · 1,616 flights
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