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Route Reliability

New York → Miami

JFK–MIA · 1,089 miles · John F. Kennedy International Airport to Miami International Airport

71
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
11 min
Average arrival delay
3.0%
Cancelled
4,607
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Frontier Airlines79%304 flights
  2. 2.American Airlines77%2,656 flights
  3. 3.Delta Air Lines75%1,620 flights

Not enough history to rank: JetBlue Airways (27 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

JFK–MIA flights departing between 3–6 AM arrived on time 92% of the time, versus 66% between 6–9 PM.

Sunday scaries are real for this one.

JFK–MIA flights arrived on time 81% of the time on Tuesdays and just 65% on Sundays. That gap is worth planning around.

Frontier Airlines has a slight edge here.

Frontier Airlines arrived on time 79% of the time on this route; Delta Air Lines managed 75%.

Keep a backup plan handy.

This route was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon79%(621 flights)
  • Tue81%(639 flights)
  • Wed80%(640 flights)
  • Thu74%(636 flights)
  • Fri79%(648 flights)
  • Sat77%(621 flights)
  • Sun65%(648 flights)
On-time by departure window
  • 3–6 AM92%(167 flights)
  • 6–9 AM85%(1102 flights)
  • 9 AM–12 PM78%(919 flights)
  • 12–3 PM78%(604 flights)
  • 3–6 PM69%(788 flights)
  • 6–9 PM66%(862 flights)
  • 9 PM–12 AM82%(11 flights)
On-time trend by month
85%
May

Jun 64% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%397
July 202564%365
August 202576%368
September 202580%356
October 202573%368
November 202580%396
December 202573%382
January 202677%356
February 202678%316
March 202679%353
April 202688%403
May 202685%393

Same trip, other airports

Keep nerding

Based on 4,607 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.