ON TIMEBOARD

DL 5299 on time

Delta Air Lines 5299: New York to Rochester at 4:50 p.m. (past 12 months)

On time
68%
364 flights · likely 63–73%
Cancelled
6.3%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+100 min
average delay
Similar flights
65%
DL, same route & hour

About 1 in 3 DL 5299 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (32%); 6.3% were cancelled. The typical flight landed 5 minutes early.

DL 5299: JFK → ROC

Scheduled to leave New York at 4:50 p.m. local time, operated by Endeavor Air as 9E 5299. Over the past year it arrived on time 68% of the time (364 flights), better than other DL flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 80% on time (30 flights)80SepOct 2025: 68% on time (31 flights)68OctNov 2025: 76% on time (29 flights)76NovDec 2025: 52% on time (31 flights)52DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 61% on time (31 flights)61MarApr 2026: 77% on time (30 flights)77AprMay 2026: 68% on time (31 flights)68MayJun 2026: 67% on time (30 flights)67JunJul 2026: 55% on time (31 flights)55JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday5360%
Tuesday5262%
Wednesday5273%
Thursday5269%
Friday5180%
Saturday5273%
Sunday5260%

Why it was late

Late inbound plane 44%Air traffic & airport (NAS) 31%Airline (crew, maintenance, ops) 23%Severe weather 2%

All flights JFK → ROC · Connecting off DL 5299? Check the risk

Questions

How often is DL 5299 from JFK to ROC late?

Delta Air Lines 5299 from New York, NY to Rochester, NY arrived 15 or more minutes late, was diverted or was cancelled on 32% of 364 scheduled flights between September 2025 and August 2026. 6.3% 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.