ON TIMEBOARD

DL 959 on time

Delta Air Lines 959: Atlanta to West Palm Beach at 4:52 p.m. (past 12 months)

On time
72%
333 flights · likely 67–77%
Cancelled
1.2%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+48 min
average delay
Similar flights
72%
DL, same route & hour

About 1 in 4 DL 959 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (28%); 1.2% were cancelled. The typical flight landed 0 minutes early.

DL 959: ATL → PBI

Scheduled to leave Atlanta at 4:52 p.m. local time. Over the past year it arrived on time 72% of the time (333 flights), in line with other DL flights on the route at that hour (72%). Last seen in the data Jul 31, 2026.

Month by month

40%70%100%Aug 2025: 70% on time (30 flights)70AugSep 2025: 83% on time (30 flights)83SepOct 2025: 77% on time (31 flights)77OctNov 2025: 76% on time (29 flights)76NovDec 2025: 68% on time (31 flights)68DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 68% on time (28 flights)68FebMar 2026: 65% on time (31 flights)65MarApr 2026: 80% on time (30 flights)80AprMay 2026: 71% on time (31 flights)71MayJun 2026: 87% on time (30 flights)87JunJul 2026: 61% on time (31 flights)61Jul

By day of week

DayFlightsOn time
Monday4871%
Tuesday4885%
Wednesday4890%
Thursday4764%
Friday4871%
Saturday4781%
Sunday4745%

Why it was late

Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 30%Late inbound plane 30%Severe weather 3%Security 1%

All flights ATL → PBI · Connecting off DL 959? Check the risk

Questions

How often is DL 959 from ATL to PBI late?

Delta Air Lines 959 from Atlanta, GA to West Palm Beach/Palm Beach, FL arrived 15 or more minutes late, was diverted or was cancelled on 28% of 333 scheduled flights between September 2025 and August 2026. 1.2% 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.