Historical on-time performance
Miami to Dallas
1,109 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–DAL arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 359 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time74%Medianon timep9050 minCancel1.1%Flights359
Why flights run late
Delay causes
- Airline28%
- Weather4%
- Air traffic (NAS)22%
- Late aircraft46%
- 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 MIA → DAL
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 — 87% on time.
- Mornings87% on time · p90 20 min · 406 flights
- Middays69% on time · p90 60 min · 458 flights
- Afternoons65% on time · p90 55 min · 372 flights
- Evenings47% on time · p90 95 min · 115 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 63% to 83% on time.
- Tuesdays83% on time · p90 25 min · 167 flights · limited
- Mondays78% on time · p90 35 min · 171 flights · limited
- Wednesdays75% on time · p90 30 min · 167 flights · limited
- Thursdays70% on time · p90 50 min · 170 flights · limited
- Fridays70% on time · p90 60 min · 170 flights · limited
- Sundays67% on time · p90 80 min · 263 flights
- Saturdays63% on time · p90 80 min · 281 flights
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