ON TIMEBOARD

DL 3156 on time

Delta Air Lines 3156: Charlotte to Atlanta at 8:01 a.m. (past 12 months)

On time
91%
193 flights · likely 86–94%
Cancelled
1.0%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+75 min
average delay
Similar flights
91%
DL, same route & hour

About 1 in 11 DL 3156 flights from Charlotte arrived 15+ minutes late, diverted or cancelled over the past year (9%); 1.0% were cancelled. The typical flight landed 12 minutes early.

DL 3156: CLT → ATL

Scheduled to leave Charlotte at 8:01 a.m. local time. Over the past year it arrived on time 91% of the time (193 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 87% on time (31 flights)87MarApr 2025: 93% on time (30 flights)93AprMay 2025: 84% on time (31 flights)84MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (12 flights)DecJan 2026: too few flights (4 flights)JanMar 2026: 83% on time (24 flights)83MarApr 2026: 90% on time (30 flights)90AprMay 2026: 94% on time (31 flights)94MayJun 2026: 100% on time (30 flights)100JunJul 2026: 87% on time (31 flights)87JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday2886%
Tuesday2796%
Wednesday2796%
Thursday2796%
Friday2796%
Saturday2886%
Sunday2979%

Why it was late

Airline (crew, maintenance, ops) 74%Air traffic & airport (NAS) 26%

All flights CLT → ATL · Connecting off DL 3156? Check the risk

Questions

How often is DL 3156 from CLT to ATL late?

Delta Air Lines 3156 from Charlotte, NC to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 9% of 193 scheduled flights between September 2025 and August 2026. 1.0% 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.