OnTimeRoutes
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Delta Air Lines LGA to DEN on-time performance

Delta Air Lines nonstop flights from New York to Denver · Aug 2025 – Jul 2026

On-time arrivals
72%
arrived < 15 min late
Cancelled
4.3%
44 flights
Avg arrival delay
20 min
68 min when late
Rank on route
#2 of 4
route average 71% on time

Key facts

  • Delta Air Lines flights on LGA to DEN arrived on time 72% of the time in Aug 2025 – Jul 2026.
  • 4.3% were cancelled, and 10% arrived an hour or more late.
  • That ranks #2 of 4 airlines on this route, which averaged 71% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).

On-time trend by month

40%70%100%July 2025: 65.3% on time, 7.9% cancelledJul ’25August 2025: 75.3% on time, 2.3% cancelledAug ’25September 2025: 77.4% on time, 0.0% cancelledSep ’25October 2025: 73.3% on time, 2.2% cancelledOct ’25November 2025: 59.7% on time, 6.1% cancelledNov ’25December 2025: 58.5% on time, 6.8% cancelledDec ’25January 2026: 81.0% on time, 4.5% cancelledJan ’26February 2026: 83.6% on time, 8.8% cancelledFeb ’26March 2026: 71.6% on time, 7.9% cancelledMar ’26April 2026: 86.0% on time, 0.0% cancelledApr ’26May 2026: 70.9% on time, 1.1% cancelledMay ’26June 2026: 51.3% on time, 2.4% cancelledJun ’26July 2026: 70.3% on time, 9.4% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)41%
  • Air traffic control & airport congestion33%
  • Late-arriving aircraft25%
  • Extreme weather1%
  • Security0%

Other airlines on LGA to DEN

Full LGA to DEN comparison →
Delta Air Lines on-time record across all routes →

1,032 Delta Air Lines flights tracked on this route; 44 cancelled, 14 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.