ON TIMEBOARD

DL 5523 on time

Delta Air Lines 5523: Knoxville to Minneapolis at 6:35 a.m. (past 12 months)

On time
92%
365 flights · likely 89–95%
Cancelled
0.8%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+136 min
average delay
Similar flights
92%
DL, same route & hour

About 1 in 13 DL 5523 flights from Knoxville arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.8% were cancelled. The typical flight landed 13 minutes early.

DL 5523: TYS → MSP

Scheduled to leave Knoxville at 6:35 a.m. local time, operated by Endeavor Air as 9E 5523. Over the past year it arrived on time 92% of the time (365 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 100% on time (31 flights)100OctNov 2025: 97% on time (30 flights)97NovDec 2025: 90% on time (31 flights)90DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 100% on time (28 flights)100FebMar 2026: 84% on time (31 flights)84MarApr 2026: 93% on time (30 flights)93AprMay 2026: 90% on time (31 flights)90MayJun 2026: 83% on time (30 flights)83JunJul 2026: 90% on time (31 flights)90JulAug 2026: 100% on time (31 flights)100Aug

By day of week

DayFlightsOn time
Monday5391%
Tuesday5290%
Wednesday5294%
Thursday5296%
Friday5292%
Saturday5290%
Sunday5292%

Why it was late

Airline (crew, maintenance, ops) 86%Air traffic & airport (NAS) 6%Severe weather 5%Late inbound plane 3%

All flights TYS → MSP · Connecting off DL 5523? Check the risk

Questions

How often is DL 5523 from TYS to MSP late?

Delta Air Lines 5523 from Knoxville, TN to Minneapolis, MN arrived 15 or more minutes late, was diverted or was cancelled on 8% of 365 scheduled flights between September 2025 and August 2026. 0.8% 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.