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Route · JFK → SAN · 2020–2025 BTS data

New York to San Diego

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), JFK to SAN (New York to San Diego) ranks #929 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.4%
On-time
+2.4 pts
vs US avg
69 min
Delay when late
11,767
Flights
#929 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Oct 2024 89%

Worst Month

Feb 2025 71%

Distance

2,446 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 211 46 7 1 B6,DL,AS
Nov 2025 204 41 0 0 AS,B6,DL
Oct 2025 213 56 2 2 AS,B6,DL
Sep 2025 206 46 5 3 DL,AS,B6
Aug 2025 211 35 1 1 AS,B6,DL
Jul 2025 213 58 12 0 AS,B6,DL
Jun 2025 207 50 2 0 AS,B6,DL
May 2025 217 33 1 1 AS,B6,DL
Apr 2025 208 38 1 0 DL,AS,B6
Mar 2025 193 39 2 2 AS,B6,DL
Feb 2025 156 46 2 1 AS,B6,DL
Jan 2025 172 21 1 1 AS,B6,DL
Dec 2024 212 31 1 7 AS,B6,DL
Nov 2024 212 31 1 1 B6,AS,DL
Oct 2024 216 24 0 3 AS,DL,B6
Sep 2024 210 26 0 1 AS,B6,DL
Aug 2024 217 47 5 0 AS,B6,DL
Jul 2024 217 58 3 0 AS,B6,DL
Jun 2024 207 36 1 1 AS,B6,DL
May 2024 204 32 0 0 AS,B6,DL
Apr 2024 195 28 0 0 AS,B6,DL
Mar 2024 187 25 0 1 AS,B6,DL
Feb 2024 151 27 2 0 AS,B6,DL
Jan 2024 168 22 14 0 AS,B6,DL

JFK–SAN seasonal on-time pattern

Best: May (87.2%) · weakest: February (77.6%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 78.5%

Strongest calendar month

May

87.2% on-time · ~184 flights/mo

Busiest calendar month

June

~185 flights/mo avg

Weakest calendar month

February

77.6% on-time · ~135 flights/mo

Cancellation Rate

1.3%

63 of 4,807 flights

Diversion Rate

0.5%

26 of 4,807 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

JFK - New York

Full on-time, delay-cause, and seasonal performance for New York, NY.

JFK on-time profile

SAN - San Diego

Full on-time, delay-cause, and seasonal performance for San Diego, CA.

SAN on-time profile

Compare the two airports

See JFK and SAN side by side on delays, cancellations, and reliability.

Compare JFK vs SAN

Origin-hub reliability standing

Mid-pack among JFK departures

From JFK, this corridor sits with 50 other 75–85% on-time routes out of 66 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 13 below 75%). Destination: San Diego · fleet on-time rank #2581 of 4927.

What the Data Says About JFK to SAN

11,767 tracked flights put the JFK to SAN pairing (New York to San Diego) at a 81.4% on-time rate, squarely in line with the wider network. Delays that do occur run 68.7 minutes on average. Across the 2,446-mile route and its 9 carriers, the trailing 24 months show 1.3% cancelled and 0.5% diverted (4,807 flights sampled).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Feb 2025 came in at just 71% - a 18-point swing worth factoring into travel timing.

On the multi-year calendar, JFK–SAN peaks in May at 87.2% on-time while June carries the heaviest traffic (~185 flights per month) ; the softest month is February at 77.6%, a 9.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does JFK to SAN rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, JFK to SAN ranks #929 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from JFK to SAN? ▼
Flights from New York to San Diego have a 81.4% on-time rate based on 11,767 flights. The average delay is 68.7 minutes. The best recent month was Oct 2024 with 89% on-time.
What is the cancellation rate for JFK to SAN? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (63 of 4,807 flights) and 0.5% were diverted.
How far is the flight from JFK to SAN? ▼
The flight distance from New York (JFK) to San Diego (SAN) is approximately 2,446 miles. This route is served by 9 carriers.
When is the best time to fly from JFK to SAN? ▼
The best recent month for on-time performance was Oct 2024 (89% on-time). The worst was Feb 2025 (71% on-time). Consider booking during months with historically better performance.

Airports on this route

JFK Airport

New York
SAN Airport

San Diego
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using JFK–SAN data

JFK–SAN is mid-pack at 81.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare JFK and SAN airport profiles: delay causes and top routes differ even on the same corridor. JFK airport
  • If your dates flex, May (87.2% on-time) beats February (77.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.4% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.