ON TIMEBOARD

DL 2631 on time

Delta Air Lines 2631: Fort Lauderdale to Detroit at 6:00 a.m. (past 12 months)

On time
90%
365 flights · likely 86–92%
Cancelled
1.9%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+79 min
average delay
Similar flights
91%
DL, same route & hour

About 1 in 10 DL 2631 flights from Fort Lauderdale arrived 15+ minutes late, diverted or cancelled over the past year (10%); 1.9% were cancelled. The typical flight landed 10 minutes early.

DL 2631: FLL → DTW

Scheduled to leave Fort Lauderdale at 6:00 a.m. local time. Over the past year it arrived on time 90% of the time (365 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 97% on time (31 flights)97OctNov 2025: 90% on time (30 flights)90NovDec 2025: 65% on time (31 flights)65DecJan 2026: 90% on time (31 flights)90JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 100% on time (31 flights)100MayJun 2026: 97% on time (30 flights)97JunJul 2026: 77% on time (31 flights)77JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5391%
Tuesday5281%
Wednesday5290%
Thursday5290%
Friday5292%
Saturday5290%
Sunday5292%

Why it was late

Airline (crew, maintenance, ops) 58%Late inbound plane 31%Air traffic & airport (NAS) 10%

All flights FLL → DTW · Connecting off DL 2631? Check the risk

Questions

How often is DL 2631 from FLL to DTW late?

Delta Air Lines 2631 from Fort Lauderdale, FL to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 10% of 365 scheduled flights between September 2025 and August 2026. 1.9% 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.