ON TIMEBOARD

DL 390 on time

Delta Air Lines 390: Los Angeles to Atlanta at 6:00 a.m. (past 12 months)

On time
88%
365 flights · likely 85–91%
Cancelled
0.3%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+93 min
average delay
Similar flights
88%
DL, same route & hour

About 1 in 8 DL 390 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.3% were cancelled. The typical flight landed 7 minutes early.

DL 390: LAX → ATL

Scheduled to leave Los Angeles at 6:00 a.m. local time. Over the past year it arrived on time 88% of the time (365 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 97% on time (31 flights)97OctNov 2025: 87% on time (30 flights)87NovDec 2025: 61% on time (31 flights)61DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 94% on time (31 flights)94MarApr 2026: 97% on time (30 flights)97AprMay 2026: 81% on time (31 flights)81MayJun 2026: 97% on time (30 flights)97JunJul 2026: 90% on time (31 flights)90JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5385%
Tuesday5287%
Wednesday5288%
Thursday5294%
Friday5292%
Saturday5285%
Sunday5287%

Why it was late

Airline (crew, maintenance, ops) 66%Late inbound plane 22%Air traffic & airport (NAS) 10%Severe weather 2%

All flights LAX → ATL · Connecting off DL 390? Check the risk

Questions

How often is DL 390 from LAX to ATL late?

Delta Air Lines 390 from Los Angeles, CA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 365 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.