Route
JFK → SAN
John F. Kennedy International Airport San Diego International Airport
Alerts at JFK and SAN
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Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
How punctual is this route?
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 2.9%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,417
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 41%
- Airline (crew, maintenance, cleaning) 30%
- Late-arriving aircraft 20%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.8% | 206 |
| October 2025 | 73.2% | 213 |
| November 2025 | 79.9% | 204 |
| December 2025 | 77.3% | 211 |
| January 2026 | 72.9% | 179 |
| February 2026 | 81.8% | 154 |
| March 2026 | 86.8% | 201 |
| April 2026 | 85.4% | 206 |
| May 2026 | 85.4% | 208 |
| June 2026 | 75.0% | 207 |
| July 2026 | 72.4% | 215 |
| August 2026 | 70.0% | 213 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 1,046 | 75.5% | 3.2% | 58 min |
| JetBlue Airways | 724 | 83.2% | 3.6% | 64 min |
| Alaska Airlines | 647 | 76.4% | 1.5% | 74 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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B61189
20% late · 359 flights
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AS25
23% late · 354 flights
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DL685
28% late · 317 flights
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AS35
25% late · 266 flights
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DL683
22% late · 255 flights
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DL709
26% late · 255 flights
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B6289
13% late · 199 flights
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B6189
15% late · 159 flights
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DL552
15% late · 110 flights
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DL426
28% late · 109 flights
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AS28
20% late · 20 flights
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