Delta Air Lines MIA to JFK on-time performance
Delta Air Lines nonstop flights from Miami to New York · Aug 2025 – Jul 2026
On-time arrivals
73%
arrived < 15 min late
Cancelled
3.3%
53 flights
Avg arrival delay
22 min
75 min when late
Rank on route
#2 of 3
route average 72% on time
Key facts
- Delta Air Lines flights on MIA to JFK arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 3.3% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was late-arriving aircraft (39%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft39%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion29%
- Extreme weather3%
- Security0%
Other airlines on MIA to JFK
- American Airlines71% on time · 24 min avg delay
- Frontier Airlines80% on time · 22 min avg delay
Full MIA to JFK comparison →
Delta Air Lines on-time record across all routes →
1,621 Delta Air Lines flights tracked on this route; 53 cancelled, 2 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.