STL (St. Louis) to DFW (Dallas) flights arrive on time 74% of the time. The most reliable airline on this route is PSA Airlines at 80%. The average delay is 97 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.STL → DFW
STL (St. Louis) to DFW (Dallas)
STL → DFW on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 74% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
PSA Airlines is significantly more reliable on this route at 80% on time vs SkyWest Airlines at 37%.
Airline Comparison
PSA Airlines leads at 80% on time; SkyWest Airlines trails at 37%.
Accurate?
Good to know
Departing from STL
81% on timeTSA is currently ~24 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 ~23 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 PSA Airlines owes you — refund rights, action plan, complaint email. Free.
Let us watch your flight
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Data last updated May 2026. Source: Bureau of Transportation Statistics.