ON TIMEBOARD

DL 5435 on time

Delta Air Lines 5435: Atlanta to White Plains at 12:04 p.m. (past 12 months)

On time
69%
233 flights · likely 63–75%
Cancelled
2.6%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+79 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 3 DL 5435 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (31%); 2.6% were cancelled. The typical flight landed 4 minutes early.

DL 5435: ATL → HPN

Scheduled to leave Atlanta at 12:04 p.m. local time, operated by Endeavor Air as 9E 5435. Over the past year it arrived on time 69% of the time (233 flights), worse than other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2025: 83% on time (24 flights)83JanFeb 2025: 89% on time (28 flights)89FebMar 2025: 74% on time (31 flights)74MarApr 2025: too few flights (11 flights)AprJan 2026: 78% on time (27 flights)78JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 58% on time (31 flights)58MarApr 2026: 73% on time (30 flights)73AprMay 2026: 63% on time (27 flights)63MayJun 2026: 79% on time (28 flights)79JunJul 2026: 55% on time (31 flights)55JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday3569%
Tuesday3171%
Wednesday3181%
Thursday3456%
Friday3482%
Saturday3468%
Sunday3459%

Why it was late

Airline (crew, maintenance, ops) 42%Late inbound plane 36%Air traffic & airport (NAS) 13%Severe weather 9%

All flights ATL → HPN · Connecting off DL 5435? Check the risk

Questions

How often is DL 5435 from ATL to HPN late?

Delta Air Lines 5435 from Atlanta, GA to White Plains, NY arrived 15 or more minutes late, was diverted or was cancelled on 31% of 233 scheduled flights between September 2025 and August 2026. 2.6% 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.