ON TIMEBOARD

DL 5735 on time

Delta Air Lines 5735: Boston to New York at 8:00 a.m. (past 12 months)

On time
83%
268 flights · likely 78–87%
Cancelled
3.4%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+72 min
average delay
Similar flights
83%
DL, same route & hour

About 1 in 6 DL 5735 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (17%); 3.4% were cancelled. The typical flight landed 11 minutes early.

DL 5735: BOS → LGA

Scheduled to leave Boston at 8:00 a.m. local time, operated by Republic Airways as YX 5735. Over the past year it arrived on time 83% of the time (268 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (27 flights)93SepOct 2025: 85% on time (27 flights)85OctNov 2025: 95% on time (19 flights)95NovDec 2025: 60% on time (15 flights)60DecJan 2026: 75% on time (24 flights)75JanFeb 2026: 75% on time (24 flights)75FebMar 2026: 78% on time (23 flights)78MarApr 2026: 86% on time (21 flights)86AprMay 2026: 95% on time (21 flights)95MayJun 2026: 95% on time (22 flights)95JunJul 2026: 71% on time (24 flights)71JulAug 2026: 81% on time (21 flights)81Aug

By day of week

DayFlightsOn time
Monday5082%
Tuesday5088%
Wednesday5086%
Thursday4982%
Friday4980%
Saturday11—
Sunday9—

Why it was late

Airline (crew, maintenance, ops) 54%Air traffic & airport (NAS) 34%Late inbound plane 7%Severe weather 4%

All flights BOS → LGA · Connecting off DL 5735? Check the risk

Questions

How often is DL 5735 from BOS to LGA late?

Delta Air Lines 5735 from Boston, MA to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 17% of 268 scheduled flights between September 2025 and August 2026. 3.4% 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.