ON TIMEBOARD

DL 1229 on time

Delta Air Lines 1229: Atlanta to Fort Lauderdale at 10:40 p.m. (past 12 months)

On time
64%
255 flights · likely 58–70%
Cancelled
2.4%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+63 min
average delay
Similar flights
67%
DL, same route & hour

About 1 in 3 DL 1229 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (36%); 2.4% were cancelled. The typical flight landed 1 minutes early.

DL 1229: ATL → FLL

Scheduled to leave Atlanta at 10:40 p.m. local time. Over the past year it arrived on time 64% of the time (255 flights), in line with other DL flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Atlanta to Fort Lauderdale (100% of days). Delta Air Lines's last ATL–FLL flight was cancelled 1.9% of the time, against 1.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:00 a.m. the next morning.

Month by month

30%65%100%Jun 2025: 43% on time (30 flights)43JunJul 2025: 48% on time (31 flights)48JulAug 2025: too few flights (10 flights)AugDec 2025: too few flights (12 flights)DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 39% on time (31 flights)39MarApr 2026: 73% on time (30 flights)73AprMay 2026: 74% on time (31 flights)74MayJun 2026: 80% on time (30 flights)80JunJul 2026: 48% on time (31 flights)48JulAug 2026: 48% on time (31 flights)48Aug

By day of week

DayFlightsOn time
Monday3765%
Tuesday3681%
Wednesday3675%
Thursday3653%
Friday3664%
Saturday3765%
Sunday3749%

Why it was late

Airline (crew, maintenance, ops) 55%Late inbound plane 23%Air traffic & airport (NAS) 21%Severe weather 1%

All flights ATL → FLL · Connecting off DL 1229? Check the risk

Questions

How often is DL 1229 from ATL to FLL late?

Delta Air Lines 1229 from Atlanta, GA to Fort Lauderdale, FL arrived 15 or more minutes late, was diverted or was cancelled on 36% of 255 scheduled flights between September 2025 and August 2026. 2.4% 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.