ON TIMEBOARD

DL 5436 on time

Delta Air Lines 5436: Syracuse to New York at 11:19 a.m.; New York to Syracuse at 9:10 a.m. (past 12 months). Figures below the title are for SYR → JFK, its busiest leg

On time
79%
287 flights · likely 74–84%
Cancelled
4.2%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+83 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 5 DL 5436 flights from Syracuse arrived 15+ minutes late, diverted or cancelled over the past year (21%); 4.2% were cancelled. The typical flight landed 14 minutes early.

DL 5436: SYR → JFK

Scheduled to leave Syracuse at 11:19 a.m. local time, operated by Endeavor Air as 9E 5436. Over the past year it arrived on time 79% of the time (287 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 94% on time (31 flights)94AugSep 2025: 97% on time (30 flights)97SepOct 2025: 100% on time (31 flights)100OctNov 2025: 75% on time (28 flights)75NovDec 2025: 63% on time (19 flights)63DecJan 2026: 74% on time (27 flights)74JanFeb 2026: 68% on time (28 flights)68FebMar 2026: too few flights (7 flights)MarMay 2026: 96% on time (25 flights)96MayJun 2026: 87% on time (30 flights)87JunJul 2026: 65% on time (31 flights)65JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday4271%
Tuesday4176%
Wednesday4183%
Thursday4176%
Friday4188%
Saturday4183%
Sunday4080%

Why it was late

Late inbound plane 55%Air traffic & airport (NAS) 22%Airline (crew, maintenance, ops) 22%Severe weather 1%

All flights SYR → JFK · Connecting off DL 5436? Check the risk

DL 5436: JFK → SYR

Scheduled to leave New York at 9:10 a.m. local time, operated by Endeavor Air as 9E 5436. Over the past year it arrived on time 82% of the time (287 flights), in line with other DL flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 100% on time (31 flights)100AugSep 2025: 93% on time (30 flights)93SepOct 2025: 100% on time (31 flights)100OctNov 2025: 89% on time (28 flights)89NovDec 2025: 74% on time (19 flights)74DecJan 2026: 70% on time (27 flights)70JanFeb 2026: 75% on time (28 flights)75FebMar 2026: too few flights (7 flights)MarMay 2026: 96% on time (25 flights)96MayJun 2026: 87% on time (30 flights)87JunJul 2026: 68% on time (31 flights)68JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday4269%
Tuesday4180%
Wednesday4185%
Thursday4176%
Friday4190%
Saturday4188%
Sunday4085%

Why it was late

Airline (crew, maintenance, ops) 36%Late inbound plane 35%Air traffic & airport (NAS) 25%Severe weather 4%

All flights JFK → SYR · Connecting off DL 5436? Check the risk

Questions

How often is DL 5436 from SYR to JFK late?

Delta Air Lines 5436 from Syracuse, NY to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 21% of 287 scheduled flights between September 2025 and August 2026. 4.2% were cancelled.

How often is DL 5436 from JFK to SYR late?

Delta Air Lines 5436 from New York, NY to Syracuse, NY arrived 15 or more minutes late, was diverted or was cancelled on 18% of 287 scheduled flights between September 2025 and August 2026. 3.8% 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.