ON TIMEBOARD

DL 827 on time

Delta Air Lines 827: Atlanta to Los Angeles at 9:15 a.m. (past 12 months)

On time
85%
227 flights · likely 79–89%
Cancelled
0.9%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+61 min
average delay
Similar flights
84%
DL, same route & hour

About 1 in 6 DL 827 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.9% were cancelled. The typical flight landed 6 minutes early.

DL 827: ATL → LAX

Scheduled to leave Atlanta at 9:15 a.m. local time. Over the past year it arrived on time 85% of the time (227 flights), in line with other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Nov 2024: too few flights (10 flights)NovJun 2025: 78% on time (23 flights)78JunJul 2025: 84% on time (31 flights)84JulAug 2025: 81% on time (31 flights)81AugSep 2025: 70% on time (30 flights)70SepOct 2025: 81% on time (31 flights)81OctNov 2025: 77% on time (30 flights)77NovDec 2025: 84% on time (19 flights)84DecMay 2026: 96% on time (25 flights)96MayJun 2026: 87% on time (30 flights)87JunJul 2026: 87% on time (31 flights)87JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday3382%
Tuesday3281%
Wednesday3288%
Thursday3391%
Friday3388%
Saturday3281%
Sunday3281%

Why it was late

Airline (crew, maintenance, ops) 76%Air traffic & airport (NAS) 22%Late inbound plane 2%Severe weather 1%

All flights ATL → LAX · Connecting off DL 827? Check the risk

Questions

How often is DL 827 from ATL to LAX late?

Delta Air Lines 827 from Atlanta, GA to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 15% of 227 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.