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Delta Air Lines / LGA → TYS

DL 5455 on time

Delta Air Lines 5455: New York to Knoxville at 1:59 p.m.; Knoxville to New York at 5:35 p.m. (past 12 months). Figures below the title are for LGA → TYS, its busiest leg

On time
65%
285 flights · likely 60–71%
Cancelled
6.3%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+75 min
average delay
Similar flights
65%
DL, same route & hour

About 1 in 3 DL 5455 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (35%); 6.3% were cancelled. The typical flight landed 6 minutes early.

DL 5455: LGA → TYS

Scheduled to leave New York at 1:59 p.m. local time, operated by Endeavor Air as 9E 5455. Over the past year it arrived on time 65% of the time (285 flights), in line with other DL flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 88% on time (26 flights)88SepOct 2025: 44% on time (27 flights)44OctNov 2025: 71% on time (24 flights)71NovDec 2025: 35% on time (17 flights)35DecJan 2026: 74% on time (23 flights)74JanFeb 2026: 83% on time (24 flights)83FebMar 2026: 67% on time (27 flights)67MarApr 2026: 62% on time (26 flights)62AprMay 2026: too few flights (5 flights)MayJun 2026: 71% on time (24 flights)71JunJul 2026: 61% on time (31 flights)61JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday4757%
Tuesday4657%
Wednesday4676%
Thursday4466%
Friday4473%
Saturday13—
Sunday4564%

Why it was late

Late inbound plane 44%Air traffic & airport (NAS) 29%Airline (crew, maintenance, ops) 26%Severe weather 1%

All flights LGA → TYS · Connecting off DL 5455? Check the risk

DL 5455: TYS → LGA

Scheduled to leave Knoxville at 5:35 p.m. local time, operated by Endeavor Air as 9E 5455. Over the past year it arrived on time 63% of the time (226 flights), better than other DL flights on the route at that hour (58%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Knoxville to New York (100% of days). Delta Air Lines's last TYS–LGA flight was cancelled 9.1% of the time, against 5.7% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:00 a.m. the next morning.

Month by month

30%65%100%Jun 2025: 43% on time (23 flights)43JunJul 2025: 52% on time (31 flights)52JulAug 2025: 79% on time (28 flights)79AugSep 2025: too few flights (9 flights)SepJan 2026: 78% on time (23 flights)78JanFeb 2026: 88% on time (24 flights)88FebMar 2026: 59% on time (27 flights)59MarApr 2026: 58% on time (26 flights)58AprMay 2026: 62% on time (26 flights)62MayJun 2026: 62% on time (29 flights)62JunJul 2026: 48% on time (31 flights)48JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday3754%
Tuesday3658%
Wednesday3667%
Thursday3569%
Friday3574%
Saturday12—
Sunday3557%

Why it was late

Late inbound plane 50%Air traffic & airport (NAS) 47%Airline (crew, maintenance, ops) 3%Severe weather 1%

All flights TYS → LGA · Connecting off DL 5455? Check the risk

Questions

How often is DL 5455 from LGA to TYS late?

Delta Air Lines 5455 from New York, NY to Knoxville, TN arrived 15 or more minutes late, was diverted or was cancelled on 35% of 285 scheduled flights between September 2025 and August 2026. 6.3% were cancelled.

How often is DL 5455 from TYS to LGA late?

Delta Air Lines 5455 from Knoxville, TN to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 37% of 226 scheduled flights between September 2025 and August 2026. 11.1% 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.