ON TIMEBOARD

DL 363 on time

Delta Air Lines 363: New York to San Francisco at 11:30 a.m. (past 12 months)

On time
68%
262 flights · likely 62–73%
Cancelled
0.8%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+69 min
average delay
Similar flights
70%
DL, same route & hour

About 1 in 3 DL 363 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (32%); 0.8% were cancelled. The typical flight landed 0 minutes early.

DL 363: JFK → SFO

Scheduled to leave New York at 11:30 a.m. local time. Over the past year it arrived on time 68% of the time (262 flights), in line with other DL flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Aug 2025: 87% on time (31 flights)87AugSep 2025: 93% on time (30 flights)93SepOct 2025: 84% on time (31 flights)84OctNov 2025: 67% on time (27 flights)67NovDec 2025: 65% on time (17 flights)65DecFeb 2026: too few flights (9 flights)FebMar 2026: 84% on time (25 flights)84MarApr 2026: too few flights (10 flights)AprMay 2026: 68% on time (25 flights)68MayJun 2026: 70% on time (30 flights)70JunJul 2026: 42% on time (31 flights)42JulAug 2026: 48% on time (27 flights)48Aug

By day of week

DayFlightsOn time
Monday4159%
Tuesday3778%
Wednesday3768%
Thursday4057%
Friday4073%
Saturday2770%
Sunday4070%

Why it was late

Airline (crew, maintenance, ops) 45%Air traffic & airport (NAS) 38%Late inbound plane 10%Severe weather 8%

All flights JFK → SFO · Connecting off DL 363? Check the risk

Questions

How often is DL 363 from JFK to SFO late?

Delta Air Lines 363 from New York, NY to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 32% of 262 scheduled flights between September 2025 and August 2026. 0.8% 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.