DEN (Denver) to SFO (San Francisco) flights arrive on time 72% of the time. The most reliable airline on this route is United Airlines at 76%. The average delay is 62 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated July 2026.DEN → SFO
DEN (Denver) to SFO (San Francisco)
DEN → SFO on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 72% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
United Airlines edges out Southwest Airlines on this route — 76% vs 62% on time.
Airline Comparison
United Airlines leads at 76% on time; Southwest Airlines trails at 62%.
Accurate?
Good to know
Departing from DEN
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. DEN has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at SFO
78% on timeWhen flights into SFO are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at SFO: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what United Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of DEN? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated July 2026. Source: Bureau of Transportation Statistics.