ON TIMEBOARD

DL 4897 on time

Delta Air Lines 4897: Indianapolis to Detroit at 8:00 a.m. (past 12 months)

On time
88%
348 flights · likely 84–91%
Cancelled
1.4%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+122 min
average delay
Similar flights
91%
DL, same route & hour

About 1 in 8 DL 4897 flights from Indianapolis arrived 15+ minutes late, diverted or cancelled over the past year (12%); 1.4% were cancelled. The typical flight landed 12 minutes early.

DL 4897: IND → DTW

Scheduled to leave Indianapolis at 8:00 a.m. local time, operated by Endeavor Air as 9E 4897. Over the past year it arrived on time 88% of the time (348 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: 93% on time (30 flights)93OctNov 2025: 93% on time (30 flights)93NovDec 2025: 79% on time (19 flights)79DecJan 2026: 78% on time (27 flights)78JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 81% on time (31 flights)81MarApr 2026: 83% on time (30 flights)83AprMay 2026: 97% on time (31 flights)97MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (31 flights)87JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5182%
Tuesday5084%
Wednesday5084%
Thursday5096%
Friday4988%
Saturday4992%
Sunday4992%

Why it was late

Airline (crew, maintenance, ops) 78%Late inbound plane 10%Severe weather 6%Air traffic & airport (NAS) 6%

All flights IND → DTW · Connecting off DL 4897? Check the risk

Questions

How often is DL 4897 from IND to DTW late?

Delta Air Lines 4897 from Indianapolis, IN to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 12% of 348 scheduled flights between September 2025 and August 2026. 1.4% 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.