ON TIMEBOARD

DL 2161 on time

Delta Air Lines 2161: Grand Rapids to Atlanta at 8:00 a.m. (past 12 months)

On time
85%
342 flights · likely 81–88%
Cancelled
0.6%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+103 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 7 DL 2161 flights from Grand Rapids arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.6% were cancelled. The typical flight landed 13 minutes early.

DL 2161: GRR → ATL

Scheduled to leave Grand Rapids at 8:00 a.m. local time. Over the past year it arrived on time 85% of the time (342 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 96% on time (24 flights)96SepOct 2025: 94% on time (31 flights)94OctNov 2025: 90% on time (30 flights)90NovDec 2025: 63% on time (19 flights)63DecJan 2026: 54% on time (26 flights)54JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 81% on time (31 flights)81MarApr 2026: 87% on time (30 flights)87AprMay 2026: 90% on time (31 flights)90MayJun 2026: 80% on time (30 flights)80JunJul 2026: 87% on time (31 flights)87JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5088%
Tuesday5084%
Wednesday4885%
Thursday4986%
Friday4992%
Saturday4879%
Sunday4879%

Why it was late

Airline (crew, maintenance, ops) 76%Air traffic & airport (NAS) 12%Late inbound plane 7%Severe weather 4%

All flights GRR → ATL · Connecting off DL 2161? Check the risk

Questions

How often is DL 2161 from GRR to ATL late?

Delta Air Lines 2161 from Grand Rapids, MI to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 15% of 342 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.