About 1 in 6 DL 5601 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (16%); 3.7% were cancelled. The typical flight landed 12 minutes early.
DL 5601: BOS → CVG
Scheduled to leave Boston at 8:45 a.m. local time, operated by Republic Airways as YX 5601. Over the past year it arrived on time 84% of the time (352 flights), in line with other DL flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 52 | 81% |
| Tuesday | 52 | 77% |
| Wednesday | 52 | 90% |
| Thursday | 51 | 86% |
| Friday | 50 | 88% |
| Saturday | 52 | 85% |
| Sunday | 43 | 84% |
Why it was late
All flights BOS → CVG · Connecting off DL 5601? Check the risk
DL 5601: CVG → BOS
Scheduled to leave Cincinnati at 11:52 a.m. local time, operated by Republic Airways as YX 5601. Over the past year it arrived on time 80% of the time (327 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 50 | 68% |
| Tuesday | 50 | 74% |
| Wednesday | 50 | 86% |
| Thursday | 49 | 78% |
| Friday | 49 | 82% |
| Saturday | 40 | 85% |
| Sunday | 39 | 87% |
Why it was late
All flights CVG → BOS · Connecting off DL 5601? Check the risk
Questions
How often is DL 5601 from BOS to CVG late?
Delta Air Lines 5601 from Boston, MA to Cincinnati, OH arrived 15 or more minutes late, was diverted or was cancelled on 16% of 352 scheduled flights between September 2025 and August 2026. 3.7% were cancelled.
How often is DL 5601 from CVG to BOS late?
Delta Air Lines 5601 from Cincinnati, OH to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 20% of 327 scheduled flights between September 2025 and August 2026. 3.7% 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.