ON TIMEBOARD

DL 738 on time

Delta Air Lines 738: New York to Los Angeles at 3:40 p.m. (past 12 months)

On time
71%
365 flights · likely 66–75%
Cancelled
2.7%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+81 min
average delay
Similar flights
71%
DL, same route & hour

About 1 in 3 DL 738 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (29%); 2.7% were cancelled. The typical flight landed 7 minutes early.

DL 738: JFK → LAX

Scheduled to leave New York at 3:40 p.m. local time. Over the past year it arrived on time 71% of the time (365 flights), in line with other DL flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 70% on time (30 flights)70SepOct 2025: 65% on time (31 flights)65OctNov 2025: 73% on time (30 flights)73NovDec 2025: 65% on time (31 flights)65DecJan 2026: 68% on time (31 flights)68JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 90% on time (31 flights)90MarApr 2026: 80% on time (30 flights)80AprMay 2026: 81% on time (31 flights)81MayJun 2026: 70% on time (30 flights)70JunJul 2026: 68% on time (31 flights)68JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday5377%
Tuesday5273%
Wednesday5283%
Thursday5267%
Friday5271%
Saturday5263%
Sunday5260%

Why it was late

Airline (crew, maintenance, ops) 61%Air traffic & airport (NAS) 28%Late inbound plane 10%Severe weather 1%

All flights JFK → LAX · Connecting off DL 738? Check the risk

Questions

How often is DL 738 from JFK to LAX late?

Delta Air Lines 738 from New York, NY to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 29% of 365 scheduled flights between September 2025 and August 2026. 2.7% 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.