ON TIMEBOARD
Delta Air Lines / MEM → LGA

DL 4903 on time

Delta Air Lines 4903: Memphis to New York at 11:28 a.m.; New York to Memphis at 8:41 a.m. (past 12 months). Figures below the title are for MEM → LGA, its busiest leg

On time
68%
144 flights · likely 60–75%
Cancelled
6.9%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+61 min
average delay
Similar flights
72%
DL, same route & hour

About 1 in 3 DL 4903 flights from Memphis arrived 15+ minutes late, diverted or cancelled over the past year (32%); 6.9% were cancelled. The typical flight landed 7 minutes early.

DL 4903: MEM → LGA

Scheduled to leave Memphis at 11:28 a.m. local time, operated by Endeavor Air as 9E 4903. Over the past year it arrived on time 68% of the time (144 flights), worse than other DL flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Oct 2024: too few flights (5 flights)OctJan 2025: too few flights (3 flights)JanFeb 2025: too few flights (4 flights)FebMar 2025: too few flights (1 flights)MarMay 2025: too few flights (1 flights)MayJan 2026: 64% on time (22 flights)64JanFeb 2026: 76% on time (21 flights)76FebMar 2026: 58% on time (26 flights)58MarApr 2026: too few flights (10 flights)AprJun 2026: 76% on time (17 flights)76JunJul 2026: 74% on time (23 flights)74JulAug 2026: 68% on time (25 flights)68Aug

By day of week

DayFlightsOn time
Monday2763%
Tuesday2669%
Wednesday2673%
Thursday2673%
Friday2669%
Saturday3—
Sunday10—

Why it was late

Air traffic & airport (NAS) 53%Late inbound plane 30%Airline (crew, maintenance, ops) 16%Severe weather 1%

All flights MEM → LGA · Connecting off DL 4903? Check the risk

DL 4903: LGA → MEM

Scheduled to leave New York at 8:41 a.m. local time, operated by Endeavor Air as 9E 4903. Over the past year it arrived on time 77% of the time (141 flights), worse than other DL flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2024: 90% on time (21 flights)90SepOct 2024: 100% on time (24 flights)100OctNov 2024: too few flights (7 flights)NovApr 2025: too few flights (2 flights)AprMay 2025: too few flights (1 flights)MayJan 2026: 70% on time (20 flights)70JanFeb 2026: 80% on time (20 flights)80FebMar 2026: 69% on time (26 flights)69MarApr 2026: too few flights (10 flights)AprJun 2026: 76% on time (17 flights)76JunJul 2026: 87% on time (23 flights)87JulAug 2026: 76% on time (25 flights)76Aug

By day of week

DayFlightsOn time
Monday2770%
Tuesday2681%
Wednesday2685%
Thursday2681%
Friday2669%
Sunday10—

Why it was late

Air traffic & airport (NAS) 39%Airline (crew, maintenance, ops) 38%Late inbound plane 23%

All flights LGA → MEM · Connecting off DL 4903? Check the risk

Questions

How often is DL 4903 from MEM to LGA late?

Delta Air Lines 4903 from Memphis, TN to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 32% of 144 scheduled flights between September 2025 and August 2026. 6.9% were cancelled.

How often is DL 4903 from LGA to MEM late?

Delta Air Lines 4903 from New York, NY to Memphis, TN arrived 15 or more minutes late, was diverted or was cancelled on 23% of 141 scheduled flights between September 2025 and August 2026. 6.4% 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.