ON TIMEBOARD

DL 935 on time

Delta Air Lines 935: Detroit to Salt Lake City at 12:15 p.m. (past 12 months)

On time
87%
365 flights · likely 84–90%
Cancelled
0.0%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+40 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 8 DL 935 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.0% were cancelled. The typical flight landed 6 minutes early.

DL 935: DTW → SLC

Scheduled to leave Detroit at 12:15 p.m. local time. Over the past year it arrived on time 87% of the time (365 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 90% on time (31 flights)90OctNov 2025: 93% on time (30 flights)93NovDec 2025: 58% on time (31 flights)58DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 94% on time (31 flights)94MarApr 2026: 97% on time (30 flights)97AprMay 2026: 97% on time (31 flights)97MayJun 2026: 73% on time (30 flights)73JunJul 2026: 87% on time (31 flights)87JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5389%
Tuesday5288%
Wednesday5279%
Thursday5287%
Friday5294%
Saturday5288%
Sunday5287%

Why it was late

Airline (crew, maintenance, ops) 59%Air traffic & airport (NAS) 28%Late inbound plane 8%Severe weather 5%

All flights DTW → SLC · Connecting off DL 935? Check the risk

Questions

How often is DL 935 from DTW to SLC late?

Delta Air Lines 935 from Detroit, MI to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 13% 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.