ON TIMEBOARD

DL 3015 on time

Delta Air Lines 3015: Knoxville to Atlanta at 5:40 a.m. (past 12 months)

On time
93%
343 flights · likely 90–95%
Cancelled
1.5%
of scheduled flights
Typical arrival
−17 min
median vs schedule
When late
+154 min
average delay
Similar flights
93%
DL, same route & hour

About 1 in 15 DL 3015 flights from Knoxville arrived 15+ minutes late, diverted or cancelled over the past year (7%); 1.5% were cancelled. The typical flight landed 17 minutes early.

DL 3015: TYS → ATL

Scheduled to leave Knoxville at 5:40 a.m. local time. Over the past year it arrived on time 93% of the time (343 flights), in line with other DL flights on the route at that hour (93%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 100% on time (31 flights)100OctNov 2025: 89% on time (28 flights)89NovDec 2025: 78% on time (18 flights)78DecJan 2026: 89% on time (27 flights)89JanFeb 2026: 88% on time (26 flights)88FebMar 2026: 80% on time (30 flights)80MarApr 2026: 97% on time (30 flights)97AprMay 2026: 100% on time (31 flights)100MayJun 2026: 100% on time (30 flights)100JunJul 2026: 97% on time (31 flights)97JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5188%
Tuesday5090%
Wednesday5096%
Thursday5094%
Friday50100%
Saturday4693%
Sunday4691%

Why it was late

Airline (crew, maintenance, ops) 59%Air traffic & airport (NAS) 34%Late inbound plane 5%Severe weather 1%

All flights TYS → ATL · Connecting off DL 3015? Check the risk

Questions

How often is DL 3015 from TYS to ATL late?

Delta Air Lines 3015 from Knoxville, TN to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 7% of 343 scheduled flights between September 2025 and August 2026. 1.5% 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.