ON TIMEBOARD

DL 3042 on time

Delta Air Lines 3042: Atlanta to Knoxville at 5:45 p.m.; Knoxville to Atlanta at 6:38 p.m. (past 12 months). Figures below the title are for ATL → TYS, its busiest leg

On time
74%
180 flights · likely 68–80%
Cancelled
3.9%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+62 min
average delay
Similar flights
71%
DL, same route & hour

About 1 in 4 DL 3042 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (26%); 3.9% were cancelled. The typical flight landed 3 minutes early.

DL 3042: ATL → TYS

Scheduled to leave Atlanta at 5:45 p.m. local time. Over the past year it arrived on time 74% of the time (180 flights), better than other DL flights on the route at that hour (71%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%Sep 2025: too few flights (12 flights)SepOct 2025: 81% on time (16 flights)81OctNov 2025: 84% on time (19 flights)84NovDec 2025: 83% on time (18 flights)83DecJan 2026: 69% on time (16 flights)69JanFeb 2026: too few flights (3 flights)FebMar 2026: too few flights (14 flights)MarApr 2026: 82% on time (17 flights)82AprMay 2026: 76% on time (17 flights)76MayJun 2026: 67% on time (15 flights)67JunJul 2026: 56% on time (16 flights)56JulAug 2026: 71% on time (17 flights)71Aug

By day of week

DayFlightsOn time
Monday3868%
Tuesday8—
Wednesday8—
Thursday4271%
Friday4080%
Saturday5—
Sunday3967%

Why it was late

Airline (crew, maintenance, ops) 37%Late inbound plane 35%Severe weather 16%Air traffic & airport (NAS) 11%

All flights ATL → TYS · Connecting off DL 3042? Check the risk

DL 3042: TYS → ATL

Scheduled to leave Knoxville at 6:38 p.m. local time. Over the past year it arrived on time 77% of the time (152 flights), better than other DL flights on the route at that hour (73%). Last seen in the data Aug 30, 2026.

Usually Delta Air Lines's last flight of the day from Knoxville to Atlanta (100% of days). Delta Air Lines's last TYS–ATL flight was cancelled 3.8% of the time, against 1.4% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 5:40 a.m. the next morning.

Month by month

30%65%100%Sep 2025: too few flights (12 flights)SepOct 2025: 81% on time (16 flights)81OctNov 2025: too few flights (10 flights)NovDec 2025: too few flights (10 flights)DecJan 2026: too few flights (5 flights)JanFeb 2026: too few flights (3 flights)FebMar 2026: too few flights (14 flights)MarApr 2026: 82% on time (17 flights)82AprMay 2026: 71% on time (17 flights)71MayJun 2026: 87% on time (15 flights)87JunJul 2026: 44% on time (16 flights)44JulAug 2026: 76% on time (17 flights)76Aug

By day of week

DayFlightsOn time
Monday3678%
Tuesday1—
Thursday3879%
Friday3879%
Saturday1—
Sunday3871%

Why it was late

Late inbound plane 70%Air traffic & airport (NAS) 17%Airline (crew, maintenance, ops) 10%Severe weather 3%

All flights TYS → ATL · Connecting off DL 3042? Check the risk

Questions

How often is DL 3042 from ATL to TYS late?

Delta Air Lines 3042 from Atlanta, GA to Knoxville, TN arrived 15 or more minutes late, was diverted or was cancelled on 26% of 180 scheduled flights between September 2025 and August 2026. 3.9% were cancelled.

How often is DL 3042 from TYS to ATL late?

Delta Air Lines 3042 from Knoxville, TN to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 23% of 152 scheduled flights between September 2025 and August 2026. 5.3% 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.