ON TIMEBOARD

DL 1401 on time

Delta Air Lines 1401: Boston to Fort Lauderdale at 7:10 a.m. (past 12 months)

On time
79%
365 flights · likely 74–83%
Cancelled
3.8%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+67 min
average delay
Similar flights
78%
DL, same route & hour

About 1 in 5 DL 1401 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (21%); 3.8% were cancelled. The typical flight landed 6 minutes early.

DL 1401: BOS → FLL

Scheduled to leave Boston at 7:10 a.m. local time. Over the past year it arrived on time 79% of the time (365 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 80% on time (30 flights)80SepOct 2025: 87% on time (31 flights)87OctNov 2025: 87% on time (30 flights)87NovDec 2025: 65% on time (31 flights)65DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 74% on time (31 flights)74MarApr 2026: 83% on time (30 flights)83AprMay 2026: 90% on time (31 flights)90MayJun 2026: 80% on time (30 flights)80JunJul 2026: 74% on time (31 flights)74JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5368%
Tuesday5277%
Wednesday5285%
Thursday5281%
Friday5287%
Saturday5277%
Sunday5279%

Why it was late

Airline (crew, maintenance, ops) 47%Air traffic & airport (NAS) 37%Late inbound plane 12%Severe weather 4%

All flights BOS → FLL · Connecting off DL 1401? Check the risk

Questions

How often is DL 1401 from BOS to FLL late?

Delta Air Lines 1401 from Boston, MA to Fort Lauderdale, FL arrived 15 or more minutes late, was diverted or was cancelled on 21% of 365 scheduled flights between September 2025 and August 2026. 3.8% 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.