About 1 in 8 DL 5703 flights from Baltimore arrived 15+ minutes late, diverted or cancelled over the past year (12%); 3.2% were cancelled. The typical flight landed 13 minutes early.
DL 5703: BWI → BOS
Scheduled to leave Baltimore at 10:54 a.m. local time, operated by Republic Airways as YX 5703. Over the past year it arrived on time 88% of the time (250 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 36 | 75% |
| Tuesday | 36 | 92% |
| Wednesday | 34 | 91% |
| Thursday | 34 | 94% |
| Friday | 36 | 94% |
| Saturday | 37 | 86% |
| Sunday | 37 | 84% |
Why it was late
All flights BWI → BOS · Connecting off DL 5703? Check the risk
DL 5703: BOS → BWI
Scheduled to leave Boston at 6:35 a.m. local time, operated by Republic Airways as YX 5703. Over the past year it arrived on time 88% of the time (249 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 36 | 78% |
| Tuesday | 36 | 89% |
| Wednesday | 36 | 92% |
| Thursday | 36 | 94% |
| Friday | 35 | 94% |
| Saturday | 35 | 83% |
| Sunday | 35 | 83% |
Why it was late
All flights BOS → BWI · Connecting off DL 5703? Check the risk
Questions
How often is DL 5703 from BWI to BOS late?
Delta Air Lines 5703 from Baltimore, MD to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 250 scheduled flights between September 2025 and August 2026. 3.2% were cancelled.
How often is DL 5703 from BOS to BWI late?
Delta Air Lines 5703 from Boston, MA to Baltimore, MD arrived 15 or more minutes late, was diverted or was cancelled on 12% of 249 scheduled flights between September 2025 and August 2026. 2.8% 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.