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 67 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.DEN → LGA
DEN (Denver) to LGA (New York)
DEN → LGA on-time performance by month
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This route is on time most of the time. 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 62%.
Airline Comparison
Delta Air Lines leads at 79% on time; Frontier Airlines trails at 62%.
Accurate?
Good to know
Departing from DEN
78% on timeExpect ~17 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 LGA
80% on timeWhen flights into LGA are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at LGA: TSA is ~9 min right now. Allow at least 60 minutes for a domestic connection.
LGA has a 3.1% 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.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.