Historical on-time performance
Miami to Dallas
1,109 miData through May 2026Source: US DOT · BTS
Flights on MIA–DAL arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 367 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time71%Medianon timep9050 minCancel0.8%Flights367
Why flights run late
Delay causes
- Airline20%
- Weather2%
- Air traffic (NAS)21%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather67%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 MIA → DAL
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 — 89% on time.
- Mornings89% on time · p90 10 min · 341 flights
- Middays70% on time · p90 50 min · 481 flights
- Afternoons63% on time · p90 65 min · 356 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 59% to 84% on time.
- Tuesdays84% on time · p90 45 min · 152 flights · limited
- Wednesdays78% on time · p90 30 min · 153 flights · limited
- Mondays78% on time · p90 30 min · 156 flights · limited
- Fridays72% on time · p90 50 min · 158 flights · limited
- Thursdays70% on time · p90 55 min · 158 flights · limited
- Sundays67% on time · p90 90 min · 242 flights
- Saturdays59% on time · p90 75 min · 274 flights
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