ON TIMEBOARD

DL 1664 on time

Delta Air Lines 1664: Charleston to Atlanta at 8:00 a.m. (past 12 months)

On time
91%
284 flights · likely 87–94%
Cancelled
1.1%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+103 min
average delay
Similar flights
89%
DL, same route & hour

About 1 in 11 DL 1664 flights from Charleston arrived 15+ minutes late, diverted or cancelled over the past year (9%); 1.1% were cancelled. The typical flight landed 13 minutes early.

DL 1664: CHS → ATL

Scheduled to leave Charleston at 8:00 a.m. local time. Over the past year it arrived on time 91% of the time (284 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 2, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 90% on time (31 flights)90OctNov 2025: 90% on time (30 flights)90NovDec 2025: 84% on time (19 flights)84DecJan 2026: 89% on time (27 flights)89JanFeb 2026: 96% on time (28 flights)96FebMar 2026: too few flights (7 flights)MarApr 2026: 89% on time (18 flights)89AprMay 2026: 97% on time (31 flights)97MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (31 flights)87JulAug 2026: too few flights (2 flights)Aug

By day of week

DayFlightsOn time
Monday4193%
Tuesday4195%
Wednesday4190%
Thursday41100%
Friday4185%
Saturday4093%
Sunday3982%

Why it was late

Airline (crew, maintenance, ops) 64%Air traffic & airport (NAS) 36%

All flights CHS → ATL · Connecting off DL 1664? Check the risk

Questions

How often is DL 1664 from CHS to ATL late?

Delta Air Lines 1664 from Charleston, SC to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 9% of 284 scheduled flights between September 2025 and August 2026. 1.1% 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.