ON TIMEBOARD

DL 771 on time

Delta Air Lines 771: New York to Los Angeles at 5:00 p.m. (past 12 months)

On time
72%
350 flights · likely 67–77%
Cancelled
2.6%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+60 min
average delay
Similar flights
69%
DL, same route & hour

About 1 in 4 DL 771 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (28%); 2.6% were cancelled. The typical flight landed 6 minutes early.

DL 771: JFK → LAX

Scheduled to leave New York at 5:00 p.m. local time. Over the past year it arrived on time 72% of the time (350 flights), better than other DL flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 77% on time (31 flights)77OctNov 2025: 73% on time (30 flights)73NovDec 2025: 71% on time (28 flights)71DecJan 2026: 77% on time (30 flights)77JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 84% on time (31 flights)84MarApr 2026: 79% on time (28 flights)79AprMay 2026: 70% on time (30 flights)70MayJun 2026: 57% on time (30 flights)57JunJul 2026: 70% on time (23 flights)70JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday5375%
Tuesday4873%
Wednesday4674%
Thursday5068%
Friday5273%
Saturday4973%
Sunday5269%

Why it was late

Air traffic & airport (NAS) 51%Airline (crew, maintenance, ops) 34%Late inbound plane 8%Severe weather 7%

All flights JFK → LAX · Connecting off DL 771? Check the risk

Questions

How often is DL 771 from JFK to LAX late?

Delta Air Lines 771 from New York, NY to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 28% of 350 scheduled flights between September 2025 and August 2026. 2.6% 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.