ON TIMEBOARD

DL 653 on time

Delta Air Lines 653: Atlanta to Salt Lake City at 5:43 p.m. (past 12 months)

On time
79%
365 flights · likely 75–83%
Cancelled
0.0%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+64 min
average delay
Similar flights
80%
DL, same route & hour

About 1 in 5 DL 653 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (21%); 0.0% were cancelled. The typical flight landed 4 minutes early.

DL 653: ATL → SLC

Scheduled to leave Atlanta at 5:43 p.m. local time. Over the past year it arrived on time 79% of the time (365 flights), in line with other DL flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 77% on time (31 flights)77OctNov 2025: 90% on time (30 flights)90NovDec 2025: 71% on time (31 flights)71DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 90% on time (31 flights)90MarApr 2026: 97% on time (30 flights)97AprMay 2026: 84% on time (31 flights)84MayJun 2026: 73% on time (30 flights)73JunJul 2026: 65% on time (31 flights)65JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday5381%
Tuesday5287%
Wednesday5292%
Thursday5285%
Friday5271%
Saturday5271%
Sunday5267%

Why it was late

Airline (crew, maintenance, ops) 47%Late inbound plane 31%Air traffic & airport (NAS) 14%Severe weather 8%

All flights ATL → SLC · Connecting off DL 653? Check the risk

Questions

How often is DL 653 from ATL to SLC late?

Delta Air Lines 653 from Atlanta, GA to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 21% of 365 scheduled flights between September 2025 and August 2026. 0.0% 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.