STL (St. Louis) to MCO (Orlando) flights arrive on time 80% of the time. The most reliable airline on this route is Southwest Airlines at 82%. The average delay is 71 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.STL → MCO
STL (St. Louis) to MCO (Orlando)
STL → MCO 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?
Southwest Airlines edges out Spirit Airlines on this route — 82% vs 68% on time.
Airline Comparison
Southwest Airlines leads at 82% on time; Spirit Airlines trails at 68%.
Accurate?
Good to know
Departing from STL
81% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at MCO
75% on timeWhen flights into MCO are late, the average delay is 71 minutes. Build buffer if you have ground plans.
If connecting at MCO: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.