About 1 in 2 DL 5801 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (41%); 5.6% were cancelled. The typical flight landed 1 minutes early.
DL 5801: BOS → CVG
Scheduled to leave Boston at 8:50 p.m. local time, operated by Republic Airways as YX 5801. Over the past year it arrived on time 59% of the time (162 flights), worse than other DL flights on the route at that hour (63%). Last seen in the data Aug 30, 2026.
Usually Delta Air Lines's last flight of the day from Boston to Cincinnati (100% of days). Delta Air Lines's last BOS–CVG flight was cancelled 4.7% of the time, against 2.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:45 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 28 | 54% |
| Tuesday | 27 | 81% |
| Wednesday | 27 | 56% |
| Thursday | 27 | 56% |
| Friday | 27 | 67% |
| Sunday | 26 | 42% |
Why it was late
All flights BOS → CVG · Connecting off DL 5801? Check the risk
Questions
How often is DL 5801 from BOS to CVG late?
Delta Air Lines 5801 from Boston, MA to Cincinnati, OH arrived 15 or more minutes late, was diverted or was cancelled on 41% of 162 scheduled flights between September 2025 and August 2026. 5.6% 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.