OnTimeRoutes
F

Frontier Airlines LGA to MIA on-time performance

Frontier Airlines nonstop flights from New York to Miami · Aug 2025 – Jul 2026

On-time arrivals
67%
arrived < 15 min late
Cancelled
10.1%
12 flights
Avg arrival delay
82 min
247 min when late
Rank on route
#4 of 5
route average 70% on time

Key facts

  • Frontier Airlines flights on LGA to MIA arrived on time 67% of the time in Aug 2025 – Jul 2026.
  • 10.1% were cancelled, and 22% arrived an hour or more late.
  • That ranks #4 of 5 airlines on this route, which averaged 70% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (83%).

On-time trend by month

40%70%100%August 2025: 71.4% on time, 0.0% cancelledAug ’25September 2025: 82.4% on time, 0.0% cancelledSep ’25October 2025: 75.0% on time, 0.0% cancelledOct ’25November 2025: 80.0% on time, 0.0% cancelledNov ’25December 2025: 58.3% on time, 7.7% cancelledDec ’25January 2026: 71.4% on time, 6.7% cancelledJan ’26February 2026: 66.7% on time, 6.3% cancelledFeb ’26March 2026: 50.0% on time, 31.0% cancelledMar ’26April 2026: 69.2% on time, 0.0% cancelledApr ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft83%
  • Air traffic control & airport congestion12%
  • Airline (crew, maintenance, cleaning, fueling)4%
  • Extreme weather0%
  • Security0%

Other airlines on LGA to MIA

Full LGA to MIA comparison →
Frontier Airlines on-time record across all routes →

119 Frontier Airlines flights tracked on this route; 12 cancelled, 0 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.