ONT (Ontario) to DFW (Dallas) flights arrive on time 80% of the time. The most reliable airline on this route is American Airlines at 81%. The average delay is 100 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.ONT → DFW
ONT (Ontario) to DFW (Dallas)
ONT → DFW on-time performance by month
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
American Airlines edges out Frontier Airlines on this route — 81% vs 76% on time.
Airline Comparison
American Airlines leads at 81% on time; Frontier Airlines trails at 76%.
Accurate?
Good to know
Departing from ONT
82% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at DFW
77% on timeWhen flights into DFW are late, the average delay is 80 minutes. Build buffer if you have ground plans.
If connecting at DFW: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
DFW has a 2.5% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what American Airlines owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.