About 1 in 10 DL 4140 flights from Green Bay arrived 15+ minutes late, diverted or cancelled over the past year (10%); 2.0% were cancelled. The typical flight landed 21 minutes early.
DL 4140: GRB → MSP
Scheduled to leave Green Bay at 6:15 a.m. local time, operated by SkyWest as OO 4140. Over the past year it arrived on time 90% of the time (246 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
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 37 | 86% |
| Tuesday | 36 | 94% |
| Wednesday | 36 | 89% |
| Thursday | 35 | 94% |
| Friday | 35 | 89% |
| Saturday | 35 | 89% |
| Sunday | 32 | 88% |
Why it was late
All flights GRB → MSP · Connecting off DL 4140? Check the risk
Questions
How often is DL 4140 from GRB to MSP late?
Delta Air Lines 4140 from Green Bay, WI to Minneapolis, MN arrived 15 or more minutes late, was diverted or was cancelled on 10% of 246 scheduled flights between September 2025 and August 2026. 2.0% 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.