TUL (Tulsa) to DEN (Denver) flights arrive on time 81% of the time. The most reliable airline on this route is Southwest Airlines at 83%. The average delay is 66 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.TUL → DEN
TUL (Tulsa) to DEN (Denver)
TUL → DEN on-time performance by month
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
Southwest Airlines edges out United Airlines on this route — 83% vs 77% on time.
Airline Comparison
Southwest Airlines leads at 83% on time; United Airlines trails at 77%.
Accurate?
Good to know
Departing from TUL
82% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. TUL has long runway queues.
TSA is currently ~19 min. Best time: 4 AM (about 5 min).
Arriving at DEN
78% on timeWhen flights into DEN are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at DEN: TSA is ~9 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.