ON TIMEBOARD

DL 1219 on time

Delta Air Lines 1219: Atlanta to Los Angeles at 3:45 p.m. (past 12 months)

On time
74%
222 flights · likely 68–79%
Cancelled
0.9%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+57 min
average delay
Similar flights
73%
DL, same route & hour

About 1 in 4 DL 1219 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (26%); 0.9% were cancelled. The typical flight landed 1 minutes early.

DL 1219: ATL → LAX

Scheduled to leave Atlanta at 3:45 p.m. local time. Over the past year it arrived on time 74% of the time (222 flights), in line with other DL flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 81% on time (31 flights)81MarApr 2025: 77% on time (30 flights)77AprMay 2025: 70% on time (30 flights)70MayJun 2025: too few flights (7 flights)JunJan 2026: 78% on time (27 flights)78JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 90% on time (21 flights)90MarApr 2026: 74% on time (23 flights)74AprMay 2026: 87% on time (31 flights)87MayJun 2026: 67% on time (30 flights)67JunJul 2026: 61% on time (31 flights)61JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday3586%
Tuesday2972%
Wednesday2976%
Thursday3474%
Friday3266%
Saturday2969%
Sunday3474%

Why it was late

Airline (crew, maintenance, ops) 43%Late inbound plane 31%Air traffic & airport (NAS) 23%Severe weather 3%

All flights ATL → LAX · Connecting off DL 1219? Check the risk

Questions

How often is DL 1219 from ATL to LAX late?

Delta Air Lines 1219 from Atlanta, GA to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 26% of 222 scheduled flights between September 2025 and August 2026. 0.9% 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.