ON TIMEBOARD
Delta Air Lines / JFK → SAN

DL 683 on time

Delta Air Lines 683: New York to San Diego at 8:45 a.m.; San Diego to New York at 1:05 p.m. (past 12 months). Figures below the title are for JFK → SAN, its busiest leg

On time
75%
255 flights · likely 69–80%
Cancelled
3.5%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+50 min
average delay
Similar flights
78%
DL, same route & hour

About 1 in 4 DL 683 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (25%); 3.5% were cancelled. The typical flight landed 7 minutes early.

DL 683: JFK → SAN

Scheduled to leave New York at 8:45 a.m. local time. Over the past year it arrived on time 75% of the time (255 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 93% on time (30 flights)93AprMay 2025: 90% on time (31 flights)90MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (12 flights)DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 61% on time (28 flights)61FebMar 2026: 87% on time (31 flights)87MarApr 2026: 83% on time (30 flights)83AprMay 2026: 87% on time (31 flights)87MayJun 2026: 80% on time (30 flights)80JunJul 2026: 87% on time (31 flights)87JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday3770%
Tuesday3683%
Wednesday3678%
Thursday3681%
Friday3681%
Saturday3759%
Sunday3773%

Why it was late

Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 43%Late inbound plane 9%Severe weather 5%

All flights JFK → SAN · Connecting off DL 683? Check the risk

DL 683: SAN → JFK

Scheduled to leave San Diego at 1:05 p.m. local time. Over the past year it arrived on time 69% of the time (186 flights), worse than other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 80% on time (30 flights)80AprMay 2025: 55% on time (31 flights)55MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (12 flights)DecJan 2026: too few flights (4 flights)JanFeb 2026: 71% on time (17 flights)71FebMar 2026: 74% on time (31 flights)74MarApr 2026: 83% on time (30 flights)83AprMay 2026: too few flights (6 flights)MayJun 2026: 71% on time (24 flights)71JunJul 2026: 48% on time (31 flights)48JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday2763%
Tuesday2665%
Wednesday2685%
Thursday2662%
Friday2669%
Saturday2770%
Sunday2871%

Why it was late

Air traffic & airport (NAS) 44%Late inbound plane 29%Airline (crew, maintenance, ops) 16%Severe weather 11%

All flights SAN → JFK · Connecting off DL 683? Check the risk

Questions

How often is DL 683 from JFK to SAN late?

Delta Air Lines 683 from New York, NY to San Diego, CA arrived 15 or more minutes late, was diverted or was cancelled on 25% of 255 scheduled flights between September 2025 and August 2026. 3.5% were cancelled.

How often is DL 683 from SAN to JFK late?

Delta Air Lines 683 from San Diego, CA to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 31% of 186 scheduled flights between September 2025 and August 2026. 4.8% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.