DFW (Dallas) to LAS (Las Vegas) flights arrive on time 71% of the time. The most reliable airline on this route is Frontier Airlines at 79%. The average delay is 70 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated July 2026.DFW → LAS
DFW (Dallas) to LAS (Las Vegas)
DFW → LAS on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 71% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Frontier Airlines edges out American Airlines on this route — 79% vs 68% on time.
Airline Comparison
Frontier Airlines leads at 79% on time; American Airlines trails at 68%.
Accurate?
Good to know
Departing from DFW
76% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. DFW has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
DFW cancels 2.5% of flights — higher than average. Have a backup plan.
Arriving at LAS
80% on timeWhen flights into LAS are late, the average delay is 64 minutes. Build buffer if you have ground plans.
If connecting at LAS: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Frontier Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of DFW? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated July 2026. Source: Bureau of Transportation Statistics.