DFW (Dallas) to MIA (Miami) flights arrive on time 70% of the time. The most reliable airline on this route is Spirit Airlines at 81%. The average delay is 75 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.DFW → MIA
DFW (Dallas) to MIA (Miami)
DFW → MIA on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 70% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Spirit Airlines is significantly more reliable on this route at 81% on time vs Frontier Airlines at 56%.
Airline Comparison
Spirit Airlines leads at 81% on time; Frontier Airlines trails at 56%.
Accurate?
Good to know
Departing from DFW
77% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. DFW has long runway queues.
TSA is currently ~20 min. Best time: 4 AM (about 5 min).
DFW cancels 2.5% of flights — higher than average. Have a backup plan.
Arriving at MIA
76% on timeWhen flights into MIA are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at MIA: TSA is ~23 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Spirit Airlines owes you — refund rights, action plan, complaint email. Free.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.