About 1 in 3 DL 5706 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (29%); 7.5% were cancelled. The typical flight landed 5 minutes early.
DL 5706: BOS → PHL
Scheduled to leave Boston at 3:10 p.m. local time, operated by Republic Airways as YX 5706. Over the past year it arrived on time 71% of the time (228 flights), in line with other DL flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 56% |
| Tuesday | 34 | 65% |
| Wednesday | 34 | 82% |
| Thursday | 33 | 67% |
| Friday | 32 | 75% |
| Saturday | 28 | 86% |
| Sunday | 33 | 67% |
Why it was late
All flights BOS → PHL · Connecting off DL 5706? Check the risk
DL 5706: PHL → BOS
Scheduled to leave Philadelphia at 6:31 p.m. local time, operated by Republic Airways as YX 5706. Over the past year it arrived on time 62% of the time (212 flights), better than other DL flights on the route at that hour (54%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Philadelphia to Boston (66% of days). Delta Air Lines's last PHL–BOS flight was cancelled 6.9% of the time, against 3.0% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 59% |
| Tuesday | 34 | 68% |
| Wednesday | 34 | 71% |
| Thursday | 33 | 52% |
| Friday | 32 | 59% |
| Saturday | 15 | — |
| Sunday | 30 | 63% |
Why it was late
All flights PHL → BOS · Connecting off DL 5706? Check the risk
Questions
How often is DL 5706 from BOS to PHL late?
Delta Air Lines 5706 from Boston, MA to Philadelphia, PA arrived 15 or more minutes late, was diverted or was cancelled on 29% of 228 scheduled flights between September 2025 and August 2026. 7.5% were cancelled.
How often is DL 5706 from PHL to BOS late?
Delta Air Lines 5706 from Philadelphia, PA to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 38% of 212 scheduled flights between September 2025 and August 2026. 7.1% 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.