OnTimeRoutes
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Delta Air Lines SAN to JFK on-time performance

Delta Air Lines nonstop flights from San Diego to New York · Aug 2025 – Jul 2026

On-time arrivals
83%
arrived < 15 min late
Cancelled
3.1%
32 flights
Avg arrival delay
19 min
111 min when late
Rank on route
#2 of 3
route average 84% on time

Key facts

  • Delta Air Lines flights on SAN to JFK arrived on time 83% of the time in Aug 2025 – Jul 2026.
  • 3.1% were cancelled, and 7% arrived an hour or more late.
  • That ranks #2 of 3 airlines on this route, which averaged 84% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (52%).

On-time trend by month

60%80%100%July 2025: 75.3% on time, 4.5% cancelledJul ’25August 2025: 87.4% on time, 0.0% cancelledAug ’25September 2025: 89.4% on time, 1.2% cancelledSep ’25October 2025: 81.6% on time, 1.1% cancelledOct ’25November 2025: 80.5% on time, 1.2% cancelledNov ’25December 2025: 82.4% on time, 6.6% cancelledDec ’25January 2026: 86.7% on time, 7.4% cancelledJan ’26February 2026: 84.6% on time, 9.7% cancelledFeb ’26March 2026: 79.5% on time, 3.4% cancelledMar ’26April 2026: 83.9% on time, 0.0% cancelledApr ’26May 2026: 85.7% on time, 2.2% cancelledMay ’26June 2026: 85.4% on time, 0.0% cancelledJun ’26July 2026: 73.8% on time, 5.4% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)52%
  • Air traffic control & airport congestion27%
  • Late-arriving aircraft14%
  • Extreme weather7%
  • Security0%

Other airlines on SAN to JFK

1,040 Delta Air Lines flights tracked on this route; 32 cancelled, 8 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.