ON TIMEBOARD

DL 4941 on time

Delta Air Lines 4941: Detroit to Knoxville at 4:19 p.m. (past 12 months)

On time
72%
120 flights · likely 63–79%
Cancelled
0.0%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+85 min
average delay
Similar flights
69%
DL, same route & hour

About 1 in 4 DL 4941 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (28%); 0.0% were cancelled. The typical flight landed 6 minutes early.

DL 4941: DTW → TYS

Scheduled to leave Detroit at 4:19 p.m. local time, operated by Endeavor Air as 9E 4941. Over the past year it arrived on time 72% of the time (120 flights), in line with other DL flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 88% on time (16 flights)88AprMay 2026: 72% on time (25 flights)72MayJun 2026: 73% on time (26 flights)73JunJul 2026: 59% on time (27 flights)59JulAug 2026: 73% on time (26 flights)73Aug

By day of week

DayFlightsOn time
Monday2148%
Tuesday2080%
Wednesday2090%
Thursday2090%
Friday2085%
Sunday19—

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 40%Air traffic & airport (NAS) 15%

All flights DTW → TYS · Connecting off DL 4941? Check the risk

Questions

How often is DL 4941 from DTW to TYS late?

Delta Air Lines 4941 from Detroit, MI to Knoxville, TN arrived 15 or more minutes late, was diverted or was cancelled on 28% of 120 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.