MIA to JFK flight delays & on-time performance
Nonstop flights from Miami International Airport to John F. Kennedy International Airport · 1,089 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or JFK right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Miami (MIA) to New York (JFK) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.8% were cancelled, and 11% arrived an hour or more late.
- Frontier Airlines was the most punctual airline here (80% on time); American Airlines was the least (71%).
- Departures scheduled around 6am did best (92% on time); around 6pm did worst (53%).
- Wednesday was the most reliable day to fly (77% on time) and Sunday the least (63%).
- The largest source of delay minutes was late-arriving aircraft (37%).
Which airline is most on time from MIA to JFK?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Frontier Airlines | 80% | 2.0% | 22 min | 9.2% | 244 |
| Delta Air Lines | 73% | 3.3% | 22 min | 10.7% | 1,621 |
| American Airlines | 71% | 2.6% | 24 min | 12.0% | 2,665 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am92%179 flights
- 7am91%659 flights
- 8am87%209 flights
- 9am82%223 flights
- 10am87%167 flights
- 11am75%383 flights
- 12pm82%78 flights
- 1pm61%141 flights
- 2pm64%125 flights
- 3pm73%450 flights
- 4pm60%312 flights
- 5pm67%226 flights
- 6pm53%241 flights
- 7pm55%646 flights
- 9pm62%416 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%5.2% cancelled
- Tuesday75%3.2% cancelled
- Wednesday77%0.9% cancelled
- Thursday74%0.5% cancelled
- Friday72%1.8% cancelled
- Saturday71%2.4% cancelled
- Sunday63%5.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion26%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Airline (crew, maintenance, cleaning, fueling)20%
- Air traffic control & airport congestion5%
- Security0%
MIA to JFK: common questions
- How often are MIA to JFK flights on time?
- 72% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Miami to New York cancelled?
- 2.8% of scheduled flights were cancelled (128 of 4,530).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 79 min behind schedule on average, and 11.4% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: JFK to MIA — 77% on time
More flights from Miami
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MIA → JFK, nonstop flights by US airlines that report to the DOT. How we calculate this.