ON TIMEBOARD

DL 2117 on time

Delta Air Lines 2117: Detroit to Salt Lake City at 8:15 p.m. (past 12 months)

On time
65%
364 flights · likely 60–69%
Cancelled
0.0%
of scheduled flights
Typical arrival
+3 min
median vs schedule
When late
+67 min
average delay
Similar flights
66%
DL, same route & hour

About 1 in 3 DL 2117 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (35%); 0.0% were cancelled. The typical flight landed 3 minutes late.

DL 2117: DTW → SLC

Scheduled to leave Detroit at 8:15 p.m. local time. Over the past year it arrived on time 65% of the time (364 flights), in line with other DL flights on the route at that hour (66%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Detroit to Salt Lake City (100% of days). Delta Air Lines's last DTW–SLC flight was cancelled 0.0% of the time, against 0.2% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:00 a.m. the next morning.

Month by month

20%60%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 90% on time (31 flights)90OctNov 2025: 79% on time (29 flights)79NovDec 2025: 45% on time (31 flights)45DecJan 2026: 45% on time (31 flights)45JanFeb 2026: 68% on time (28 flights)68FebMar 2026: 32% on time (31 flights)32MarApr 2026: 63% on time (30 flights)63AprMay 2026: 68% on time (31 flights)68MayJun 2026: 70% on time (30 flights)70JunJul 2026: 58% on time (31 flights)58JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday5360%
Tuesday5267%
Wednesday5269%
Thursday5171%
Friday5267%
Saturday5260%
Sunday5258%

Why it was late

Airline (crew, maintenance, ops) 65%Late inbound plane 18%Air traffic & airport (NAS) 16%Severe weather 1%

All flights DTW → SLC · Connecting off DL 2117? Check the risk

Questions

How often is DL 2117 from DTW to SLC late?

Delta Air Lines 2117 from Detroit, MI to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 35% of 364 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.