OnTimeRoutes
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Delta Air Lines LGA to MIA on-time performance

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

On-time arrivals
70%
arrived < 15 min late
Cancelled
3.8%
73 flights
Avg arrival delay
21 min
68 min when late
Rank on route
#3 of 5
route average 70% on time

Key facts

  • Delta Air Lines flights on LGA to MIA arrived on time 70% of the time in Aug 2025 – Jul 2026.
  • 3.8% were cancelled, and 11% arrived an hour or more late.
  • That ranks #3 of 5 airlines on this route, which averaged 70% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (36%).

On-time trend by month

40%70%100%July 2025: 60.3% on time, 7.3% cancelledJul ’25August 2025: 69.2% on time, 2.0% cancelledAug ’25September 2025: 74.3% on time, 0.0% cancelledSep ’25October 2025: 65.3% on time, 0.7% cancelledOct ’25November 2025: 65.9% on time, 3.5% cancelledNov ’25December 2025: 59.9% on time, 6.2% cancelledDec ’25January 2026: 71.7% on time, 4.4% cancelledJan ’26February 2026: 80.8% on time, 7.7% cancelledFeb ’26March 2026: 70.9% on time, 8.8% cancelledMar ’26April 2026: 72.7% on time, 1.1% cancelledApr ’26May 2026: 68.9% on time, 1.9% cancelledMay ’26June 2026: 80.9% on time, 2.7% cancelledJun ’26July 2026: 62.0% on time, 5.3% 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)36%
  • Air traffic control & airport congestion32%
  • Late-arriving aircraft30%
  • Extreme weather2%
  • Security0%

Other airlines on LGA to MIA

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

1,916 Delta Air Lines flights tracked on this route; 73 cancelled, 9 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.