ON TIMEBOARD

DL 5150 on time

Delta Air Lines 5150: New York to Raleigh at 4:50 p.m. (past 12 months)

On time
68%
349 flights · likely 63–73%
Cancelled
6.9%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+81 min
average delay
Similar flights
67%
DL, same route & hour

About 1 in 3 DL 5150 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (32%); 6.9% were cancelled. The typical flight landed 8 minutes early.

DL 5150: JFK → RDU

Scheduled to leave New York at 4:50 p.m. local time, operated by Endeavor Air as 9E 5150. Over the past year it arrived on time 68% of the time (349 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: 80% on time (30 flights)80SepOct 2025: 71% on time (31 flights)71OctNov 2025: 77% on time (30 flights)77NovDec 2025: 53% on time (19 flights)53DecJan 2026: 70% on time (27 flights)70JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 77% on time (31 flights)77MarApr 2026: 73% on time (30 flights)73AprMay 2026: 74% on time (31 flights)74MayJun 2026: 63% on time (30 flights)63JunJul 2026: 45% on time (31 flights)45JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday5147%
Tuesday5076%
Wednesday5072%
Thursday5074%
Friday5080%
Saturday4973%
Sunday4955%

Why it was late

Late inbound plane 50%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 14%Severe weather 3%

All flights JFK → RDU · Connecting off DL 5150? Check the risk

Questions

How often is DL 5150 from JFK to RDU late?

Delta Air Lines 5150 from New York, NY to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 32% of 349 scheduled flights between September 2025 and August 2026. 6.9% 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.