DEN (Denver) to LGA (New York) flights arrive on time 75% of the time. The most reliable airline on this route is Delta Air Lines at 79%. The average delay is 68 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated August 2026.DEN → LGA
DEN (Denver) to LGA (New York)
DEN → LGA on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 75% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
Delta Air Lines is significantly more reliable on this route at 79% on time vs Frontier Airlines at 64%.
Airline Comparison
Delta Air Lines leads at 79% on time; Frontier Airlines trails at 64%.
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 ~5 min. Best time: 4 AM (about 5 min).
Arriving at LGA
77% on timeWhen flights into LGA are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at LGA: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
LGA has a 3.4% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Delta Air Lines 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.
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.