Delta Air Lines SFO to JFK on-time performance
Delta Air Lines nonstop flights from San Francisco to New York · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
2.1%
47 flights
Avg arrival delay
15 min
68 min when late
Rank on route
#4 of 4
route average 80% on time
Key facts
- Delta Air Lines flights on SFO to JFK arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 2.1% were cancelled, and 8% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (38%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft38%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion27%
- Extreme weather1%
- Security0%
Other airlines on SFO to JFK
- JetBlue80% on time · 16 min avg delay
- American Airlines81% on time · 24 min avg delay
- Alaska Airlines79% on time · 12 min avg delay
Full SFO to JFK comparison →
Delta Air Lines on-time record across all routes →
2,232 Delta Air Lines flights tracked on this route; 47 cancelled, 14 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.