ON TIMEBOARD

DL 1598 on time

Delta Air Lines 1598: San Francisco to Los Angeles at 6:00 a.m. (past 12 months)

On time
93%
363 flights · likely 90–95%
Cancelled
0.3%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+147 min
average delay
Similar flights
94%
DL, same route & hour

About 1 in 15 DL 1598 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (7%); 0.3% were cancelled. The typical flight landed 13 minutes early.

DL 1598: SFO → LAX

Scheduled to leave San Francisco at 6:00 a.m. local time. Over the past year it arrived on time 93% of the time (363 flights), in line with other DL flights on the route at that hour (94%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 97% on time (30 flights)97OctNov 2025: 93% on time (29 flights)93NovDec 2025: 90% on time (31 flights)90DecJan 2026: 100% on time (31 flights)100JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 97% on time (31 flights)97MarApr 2026: 93% on time (30 flights)93AprMay 2026: 87% on time (31 flights)87MayJun 2026: 97% on time (30 flights)97JunJul 2026: 87% on time (31 flights)87JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5391%
Tuesday5292%
Wednesday5294%
Thursday5294%
Friday5194%
Saturday5194%
Sunday5292%

Why it was late

Airline (crew, maintenance, ops) 89%Air traffic & airport (NAS) 11%

All flights SFO → LAX · Connecting off DL 1598? Check the risk

Questions

How often is DL 1598 from SFO to LAX late?

Delta Air Lines 1598 from San Francisco, CA to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 7% of 363 scheduled flights between September 2025 and August 2026. 0.3% 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.