ON TIMEBOARD

DL 5478 on time

Delta Air Lines 5478: Detroit to Cincinnati at 9:15 p.m. (past 12 months)

On time
71%
322 flights · likely 66–76%
Cancelled
0.6%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+107 min
average delay
Similar flights
70%
DL, same route & hour

About 1 in 3 DL 5478 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (29%); 0.6% were cancelled. The typical flight landed 5 minutes early.

DL 5478: DTW → CVG

Scheduled to leave Detroit at 9:15 p.m. local time, operated by Endeavor Air as 9E 5478. Over the past year it arrived on time 71% of the time (322 flights), in line with other DL flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Detroit to Cincinnati (100% of days). Delta Air Lines's last DTW–CVG flight was cancelled 0.5% of the time, against 0.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:30 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 97% on time (29 flights)97SepOct 2025: 94% on time (31 flights)94OctNov 2025: 76% on time (29 flights)76NovDec 2025: 56% on time (18 flights)56DecJan 2026: 56% on time (27 flights)56JanFeb 2026: 71% on time (21 flights)71FebMar 2026: 68% on time (31 flights)68MarApr 2026: 71% on time (28 flights)71AprMay 2026: 72% on time (25 flights)72MayJun 2026: 69% on time (26 flights)69JunJul 2026: 59% on time (27 flights)59JulAug 2026: 57% on time (30 flights)57Aug

By day of week

DayFlightsOn time
Monday5074%
Tuesday5078%
Wednesday4871%
Thursday4774%
Friday4957%
Saturday3275%
Sunday4670%

Why it was late

Airline (crew, maintenance, ops) 61%Late inbound plane 28%Air traffic & airport (NAS) 10%Severe weather 1%

All flights DTW → CVG · Connecting off DL 5478? Check the risk

Questions

How often is DL 5478 from DTW to CVG late?

Delta Air Lines 5478 from Detroit, MI to Cincinnati, OH arrived 15 or more minutes late, was diverted or was cancelled on 29% of 322 scheduled flights between September 2025 and August 2026. 0.6% 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.