ON TIMEBOARD

DL 559 on time

Delta Air Lines 559: Austin to Detroit at 8:00 a.m. (past 12 months)

On time
90%
162 flights · likely 84–93%
Cancelled
1.8%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+143 min
average delay
Similar flights
90%
DL, same route & hour

About 1 in 10 DL 559 flights from Austin arrived 15+ minutes late, diverted or cancelled over the past year (10%); 1.8% were cancelled. The typical flight landed 8 minutes early.

DL 559: AUS → DTW

Scheduled to leave Austin at 8:00 a.m. local time. Over the past year it arrived on time 90% of the time (162 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: 92% on time (24 flights)92MarApr 2026: 93% on time (28 flights)93AprMay 2026: 87% on time (31 flights)87MayJun 2026: 88% on time (25 flights)88JunJul 2026: 92% on time (24 flights)92JulAug 2026: 87% on time (30 flights)87Aug

By day of week

DayFlightsOn time
Monday2584%
Tuesday24100%
Wednesday2492%
Thursday2488%
Friday2483%
Saturday15—
Sunday2688%

Why it was late

Airline (crew, maintenance, ops) 76%Late inbound plane 20%Air traffic & airport (NAS) 3%

All flights AUS → DTW · Connecting off DL 559? Check the risk

Questions

How often is DL 559 from AUS to DTW late?

Delta Air Lines 559 from Austin, TX to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 10% of 162 scheduled flights between September 2025 and August 2026. 1.8% 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.