Historical on-time performance
Dallas to Atlanta
721 miData through May 2026Source: 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)
Cancelled2.2%of scheduled flights
based on 3,441 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time79%Medianon timep9045 minCancel2.7%Flights1,868
- Southwest AirlinesOn-time74%Medianon timep9045 minCancel1.7%Flights1,573
Why flights run late
Delay causes
- Airline33%
- Weather9%
- Air traffic (NAS)15%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline56%
- Weather40%
- Air traffic (NAS)4%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 77 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 DAL → 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 — 87% on time.
- Mornings87% on time · p90 15 min · 3,177 flights
- Middays80% on time · p90 35 min · 2,782 flights
- Afternoons72% on time · p90 50 min · 2,091 flights
- Evenings67% on time · p90 65 min · 2,013 flights
- Overnights64% on time · p90 65 min · 491 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 81% on time.
- Tuesdays81% on time · p90 35 min · 1,475 flights
- Wednesdays79% on time · p90 40 min · 1,477 flights
- Mondays79% on time · p90 35 min · 1,554 flights
- Saturdays78% on time · p90 45 min · 1,322 flights
- Thursdays77% on time · p90 45 min · 1,556 flights
- Fridays76% on time · p90 45 min · 1,567 flights
- Sundays73% on time · p90 45 min · 1,603 flights
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