TUL (Tulsa) to DEN (Denver) flights arrive on time 82% of the time. The most reliable airline on this route is Southwest Airlines at 85%. The average delay is 69 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated August 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 82% 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 — 85% vs 78% on time.
Airline Comparison
Southwest Airlines leads at 85% on time; United Airlines trails at 78%.
Accurate?
Good to know
Departing from TUL
81% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. TUL has long runway queues.
TSA is currently ~15 min. Best time: 4 AM (about 5 min).
Arriving at DEN
79% on timeWhen flights into DEN are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at DEN: TSA is ~19 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of TUL? 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 August 2026. Source: Bureau of Transportation Statistics.