ON TIMEBOARD

DL 4936 on time

Delta Air Lines 4936: Birmingham to New York at 11:10 a.m.; New York to Birmingham at 8:55 a.m. (past 12 months). Figures below the title are for BHM → LGA, its busiest leg

On time
67%
355 flights · likely 62–72%
Cancelled
5.6%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+67 min
average delay
Similar flights
67%
DL, same route & hour

About 1 in 3 DL 4936 flights from Birmingham arrived 15+ minutes late, diverted or cancelled over the past year (33%); 5.6% were cancelled. The typical flight landed 4 minutes early.

DL 4936: BHM → LGA

Scheduled to leave Birmingham at 11:10 a.m. local time, operated by Endeavor Air as 9E 4936. Over the past year it arrived on time 67% of the time (355 flights), in line with other DL flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 68% on time (31 flights)68OctNov 2025: 57% on time (28 flights)57NovDec 2025: 57% on time (28 flights)57DecJan 2026: 73% on time (30 flights)73JanFeb 2026: 84% on time (25 flights)84FebMar 2026: 50% on time (30 flights)50MarApr 2026: 73% on time (30 flights)73AprMay 2026: 74% on time (31 flights)74MayJun 2026: 73% on time (30 flights)73JunJul 2026: 61% on time (31 flights)61JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday5349%
Tuesday5254%
Wednesday5076%
Thursday4969%
Friday5180%
Saturday4875%
Sunday5269%

Why it was late

Air traffic & airport (NAS) 43%Late inbound plane 41%Airline (crew, maintenance, ops) 16%

All flights BHM → LGA · Connecting off DL 4936? Check the risk

DL 4936: LGA → BHM

Scheduled to leave New York at 8:55 a.m. local time, operated by Endeavor Air as 9E 4936. Over the past year it arrived on time 73% of the time (352 flights), in line with other DL flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 74% on time (31 flights)74OctNov 2025: 83% on time (29 flights)83NovDec 2025: 61% on time (28 flights)61DecJan 2026: 70% on time (27 flights)70JanFeb 2026: 88% on time (24 flights)88FebMar 2026: 60% on time (30 flights)60MarApr 2026: 83% on time (30 flights)83AprMay 2026: 61% on time (31 flights)61MayJun 2026: 80% on time (30 flights)80JunJul 2026: 71% on time (31 flights)71JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday5360%
Tuesday5262%
Wednesday5078%
Thursday5080%
Friday5186%
Saturday5269%
Sunday4480%

Why it was late

Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 31%Late inbound plane 30%Severe weather 6%

All flights LGA → BHM · Connecting off DL 4936? Check the risk

Questions

How often is DL 4936 from BHM to LGA late?

Delta Air Lines 4936 from Birmingham, AL to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 33% of 355 scheduled flights between September 2025 and August 2026. 5.6% were cancelled.

How often is DL 4936 from LGA to BHM late?

Delta Air Lines 4936 from New York, NY to Birmingham, AL arrived 15 or more minutes late, was diverted or was cancelled on 27% of 352 scheduled flights between September 2025 and August 2026. 4.3% 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.