ON TIMEBOARD

DL 1612 on time

Delta Air Lines 1612: Detroit to Austin at 4:15 p.m. (past 12 months)

On time
80%
324 flights · likely 75–84%
Cancelled
0.6%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+52 min
average delay
Similar flights
80%
DL, same route & hour

About 1 in 5 DL 1612 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.6% were cancelled. The typical flight landed 9 minutes early.

DL 1612: DTW → AUS

Scheduled to leave Detroit at 4:15 p.m. local time. Over the past year it arrived on time 80% of the time (324 flights), in line with other DL flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 96% on time (26 flights)96SepOct 2025: 81% on time (21 flights)81OctNov 2025: 60% on time (20 flights)60NovDec 2025: 69% on time (29 flights)69DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 81% on time (31 flights)81MarApr 2026: 89% on time (28 flights)89AprMay 2026: 84% on time (31 flights)84MayJun 2026: 79% on time (24 flights)79JunJul 2026: 60% on time (25 flights)60JulAug 2026: 90% on time (30 flights)90Aug

By day of week

DayFlightsOn time
Monday5072%
Tuesday4992%
Wednesday4986%
Thursday4973%
Friday5076%
Saturday2879%
Sunday4980%

Why it was late

Airline (crew, maintenance, ops) 45%Air traffic & airport (NAS) 39%Late inbound plane 16%

All flights DTW → AUS · Connecting off DL 1612? Check the risk

Questions

How often is DL 1612 from DTW to AUS late?

Delta Air Lines 1612 from Detroit, MI to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 20% of 324 scheduled flights between September 2025 and August 2026. 0.6% 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.