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Delta Air Lines / LAX → SJC

DL 1438 on time

Delta Air Lines 1438: Los Angeles to San Jose at 4:00 p.m.; San Jose to Los Angeles at 6:12 p.m. (past 12 months). Figures below the title are for LAX → SJC, its busiest leg

On time
85%
201 flights · likely 79–89%
Cancelled
1.5%
of scheduled flights
Typical arrival
−17 min
median vs schedule
When late
+48 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 6 DL 1438 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (15%); 1.5% were cancelled. The typical flight landed 17 minutes early.

DL 1438: LAX → SJC

Scheduled to leave Los Angeles at 4:00 p.m. local time. Over the past year it arrived on time 85% of the time (201 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Feb 2026: 76% on time (17 flights)76FebMar 2026: 81% on time (31 flights)81MarApr 2026: 87% on time (30 flights)87AprMay 2026: 90% on time (31 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 84% on time (31 flights)84JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday2986%
Tuesday2889%
Wednesday2886%
Thursday2986%
Friday2993%
Saturday2969%
Sunday2983%

Why it was late

Airline (crew, maintenance, ops) 68%Late inbound plane 29%Air traffic & airport (NAS) 2%

All flights LAX → SJC · Connecting off DL 1438? Check the risk

DL 1438: SJC → LAX

Scheduled to leave San Jose at 6:12 p.m. local time. Over the past year it arrived on time 89% of the time (201 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Feb 2026: 76% on time (17 flights)76FebMar 2026: 84% on time (31 flights)84MarApr 2026: 93% on time (30 flights)93AprMay 2026: 94% on time (31 flights)94MayJun 2026: 100% on time (30 flights)100JunJul 2026: 90% on time (31 flights)90JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday2997%
Tuesday2889%
Wednesday2889%
Thursday2990%
Friday2997%
Saturday2976%
Sunday2986%

Why it was late

Late inbound plane 66%Air traffic & airport (NAS) 17%Airline (crew, maintenance, ops) 17%

All flights SJC → LAX · Connecting off DL 1438? Check the risk

Questions

How often is DL 1438 from LAX to SJC late?

Delta Air Lines 1438 from Los Angeles, CA to San Jose, CA arrived 15 or more minutes late, was diverted or was cancelled on 15% of 201 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.

How often is DL 1438 from SJC to LAX late?

Delta Air Lines 1438 from San Jose, CA to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 11% of 201 scheduled flights between September 2025 and August 2026. 1.5% 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.