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Delta Air Lines / ATL → PBI

DL 1266 on time

Delta Air Lines 1266: Atlanta to West Palm Beach at 7:05 a.m.; West Palm Beach to Atlanta at 10:00 a.m. (past 12 months). Figures below the title are for ATL → PBI, its busiest leg

On time
83%
169 flights · likely 76–88%
Cancelled
3.5%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+46 min
average delay
Similar flights
90%
DL, same route & hour

About 1 in 6 DL 1266 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (17%); 3.5% were cancelled. The typical flight landed 7 minutes early.

DL 1266: ATL → PBI

Scheduled to leave Atlanta at 7:05 a.m. local time. Over the past year it arrived on time 83% of the time (169 flights), worse than other DL flights on the route at that hour (90%). Last seen in the data Jul 31, 2026.

Month by month

40%70%100%Apr 2025: 70% on time (30 flights)70AprMay 2025: 74% on time (31 flights)74MayJun 2025: 96% on time (28 flights)96JunJul 2025: 85% on time (26 flights)85JulAug 2025: too few flights (10 flights)AugJan 2026: too few flights (13 flights)JanFeb 2026: too few flights (11 flights)FebMar 2026: 79% on time (24 flights)79MarApr 2026: 83% on time (30 flights)83AprMay 2026: 84% on time (31 flights)84MayJun 2026: 87% on time (30 flights)87JunJul 2026: 97% on time (30 flights)97Jul

By day of week

DayFlightsOn time
Monday2592%
Tuesday2584%
Wednesday2580%
Thursday2483%
Friday2479%
Saturday2291%
Sunday2471%

Why it was late

Airline (crew, maintenance, ops) 58%Late inbound plane 21%Air traffic & airport (NAS) 20%

All flights ATL → PBI · Connecting off DL 1266? Check the risk

DL 1266: PBI → ATL

Scheduled to leave West Palm Beach at 10:00 a.m. local time. Over the past year it arrived on time 81% of the time (169 flights), worse than other DL flights on the route at that hour (87%). Last seen in the data Jul 31, 2026.

Month by month

40%70%100%Apr 2025: too few flights (13 flights)AprMay 2025: 72% on time (25 flights)72MayJun 2025: 87% on time (30 flights)87JunJul 2025: 94% on time (31 flights)94JulAug 2025: too few flights (10 flights)AugJan 2026: too few flights (13 flights)JanFeb 2026: too few flights (11 flights)FebMar 2026: 79% on time (24 flights)79MarApr 2026: 77% on time (30 flights)77AprMay 2026: 77% on time (31 flights)77MayJun 2026: 90% on time (30 flights)90JunJul 2026: 93% on time (30 flights)93Jul

By day of week

DayFlightsOn time
Monday2576%
Tuesday2584%
Wednesday2596%
Thursday2475%
Friday2479%
Saturday2286%
Sunday2471%

Why it was late

Late inbound plane 61%Air traffic & airport (NAS) 26%Airline (crew, maintenance, ops) 11%Severe weather 1%

All flights PBI → ATL · Connecting off DL 1266? Check the risk

Questions

How often is DL 1266 from ATL to PBI late?

Delta Air Lines 1266 from Atlanta, GA to West Palm Beach/Palm Beach, FL arrived 15 or more minutes late, was diverted or was cancelled on 17% of 169 scheduled flights between September 2025 and August 2026. 3.5% were cancelled.

How often is DL 1266 from PBI to ATL late?

Delta Air Lines 1266 from West Palm Beach/Palm Beach, FL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 19% of 169 scheduled flights between September 2025 and August 2026. 3.5% 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.