ON TIMEBOARD

DL 766 on time

Delta Air Lines 766: Detroit to Las Vegas at 4:35 p.m. (past 12 months)

On time
71%
360 flights · likely 66–75%
Cancelled
0.0%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+70 min
average delay
Similar flights
71%
DL, same route & hour

About 1 in 3 DL 766 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (29%); 0.0% were cancelled. The typical flight landed 1 minutes early.

DL 766: DTW → LAS

Scheduled to leave Detroit at 4:35 p.m. local time. Over the past year it arrived on time 71% of the time (360 flights), in line with other DL flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 87% on time (31 flights)87OctNov 2025: 67% on time (30 flights)67NovDec 2025: 58% on time (31 flights)58DecJan 2026: 58% on time (31 flights)58JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 61% on time (28 flights)61MarApr 2026: 79% on time (28 flights)79AprMay 2026: 58% on time (31 flights)58MayJun 2026: 83% on time (30 flights)83JunJul 2026: 74% on time (31 flights)74JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday5372%
Tuesday5271%
Wednesday5277%
Thursday5277%
Friday5265%
Saturday4768%
Sunday5265%

Why it was late

Airline (crew, maintenance, ops) 49%Air traffic & airport (NAS) 30%Late inbound plane 20%Severe weather 1%

All flights DTW → LAS · Connecting off DL 766? Check the risk

Questions

How often is DL 766 from DTW to LAS late?

Delta Air Lines 766 from Detroit, MI to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 29% of 360 scheduled flights between September 2025 and August 2026. 0.0% 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.