About 1 in 9 DL 5764 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (11%); 4.4% were cancelled. The typical flight landed 16 minutes early.
DL 5764: BOS → EWR
Scheduled to leave Boston at 6:15 a.m. local time, operated by Republic Airways as YX 5764. Over the past year it arrived on time 89% of the time (226 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 35 | 80% |
| Tuesday | 34 | 88% |
| Wednesday | 34 | 91% |
| Thursday | 34 | 91% |
| Friday | 34 | 94% |
| Saturday | 34 | 88% |
| Sunday | 21 | 95% |
Why it was late
All flights BOS → EWR · Connecting off DL 5764? Check the risk
DL 5764: EWR → BOS
Scheduled to leave Newark at 9:30 a.m. local time, operated by Republic Airways as YX 5764. Over the past year it arrived on time 92% of the time (226 flights), worse than other DL flights on the route at that hour (96%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 35 | 83% |
| Tuesday | 34 | 91% |
| Wednesday | 34 | 91% |
| Thursday | 34 | 94% |
| Friday | 34 | 97% |
| Saturday | 34 | 94% |
| Sunday | 21 | 95% |
Why it was late
All flights EWR → BOS · Connecting off DL 5764? Check the risk
Questions
How often is DL 5764 from BOS to EWR late?
Delta Air Lines 5764 from Boston, MA to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 11% of 226 scheduled flights between September 2025 and August 2026. 4.4% were cancelled.
How often is DL 5764 from EWR to BOS late?
Delta Air Lines 5764 from Newark, NJ to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 8% of 226 scheduled flights between September 2025 and August 2026. 2.6% 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.