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Delta Air Lines / ATL → TYS

DL 1743 on time

Delta Air Lines 1743: Atlanta to Knoxville at 10:10 a.m.; Knoxville to Atlanta at 12:03 p.m. (past 12 months). Figures below the title are for ATL → TYS, its busiest leg

On time
91%
274 flights · likely 87–94%
Cancelled
1.1%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+52 min
average delay
Similar flights
91%
DL, same route & hour

About 1 in 11 DL 1743 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (9%); 1.1% were cancelled. The typical flight landed 11 minutes early.

DL 1743: ATL → TYS

Scheduled to leave Atlanta at 10:10 a.m. local time. Over the past year it arrived on time 91% of the time (274 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 84% on time (31 flights)84AugSep 2025: 100% on time (30 flights)100SepOct 2025: 84% on time (25 flights)84OctNov 2025: too few flights (2 flights)NovJan 2026: 89% on time (27 flights)89JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 86% on time (28 flights)86MarApr 2026: 89% on time (28 flights)89AprMay 2026: 93% on time (27 flights)93MayJun 2026: 88% on time (26 flights)88JunJul 2026: 96% on time (27 flights)96JulAug 2026: 96% on time (26 flights)96Aug

By day of week

DayFlightsOn time
Monday4491%
Tuesday4093%
Wednesday4295%
Thursday4290%
Friday4290%
Saturday2286%
Sunday4288%

Why it was late

Airline (crew, maintenance, ops) 49%Late inbound plane 38%Air traffic & airport (NAS) 12%Severe weather 2%

All flights ATL → TYS · Connecting off DL 1743? Check the risk

DL 1743: TYS → ATL

Scheduled to leave Knoxville at 12:03 p.m. local time. Over the past year it arrived on time 93% of the time (274 flights), better than other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 84% on time (31 flights)84AugSep 2025: 100% on time (30 flights)100SepOct 2025: 88% on time (25 flights)88OctNov 2025: too few flights (2 flights)NovJan 2026: 89% on time (27 flights)89JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 86% on time (28 flights)86MarApr 2026: 93% on time (28 flights)93AprMay 2026: 96% on time (27 flights)96MayJun 2026: 96% on time (26 flights)96JunJul 2026: 96% on time (27 flights)96JulAug 2026: 96% on time (26 flights)96Aug

By day of week

DayFlightsOn time
Monday4491%
Tuesday4093%
Wednesday42100%
Thursday4293%
Friday4295%
Saturday2286%
Sunday4288%

Why it was late

Late inbound plane 74%Air traffic & airport (NAS) 24%Airline (crew, maintenance, ops) 2%

All flights TYS → ATL · Connecting off DL 1743? Check the risk

Questions

How often is DL 1743 from ATL to TYS late?

Delta Air Lines 1743 from Atlanta, GA to Knoxville, TN arrived 15 or more minutes late, was diverted or was cancelled on 9% of 274 scheduled flights between September 2025 and August 2026. 1.1% were cancelled.

How often is DL 1743 from TYS to ATL late?

Delta Air Lines 1743 from Knoxville, TN to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 7% of 274 scheduled flights between September 2025 and August 2026. 1.1% 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.