About 1 in 5 DL 507 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (18%); 2.7% were cancelled. The typical flight landed 5 minutes early.
DL 507: LAX → BOS
Scheduled to leave Los Angeles at 9:00 p.m. local time. Over the past year it arrived on time 82% of the time (295 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 30, 2026.
Usually Delta Air Lines's last flight of the day from Los Angeles to Boston (100% of days). Delta Air Lines's last LAX–BOS flight was cancelled 2.2% of the time, against 2.2% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:40 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 48 | 69% |
| Tuesday | 44 | 75% |
| Wednesday | 46 | 93% |
| Thursday | 46 | 80% |
| Friday | 48 | 92% |
| Saturday | 16 | — |
| Sunday | 47 | 74% |
Why it was late
All flights LAX → BOS · Connecting off DL 507? Check the risk
Questions
How often is DL 507 from LAX to BOS late?
Delta Air Lines 507 from Los Angeles, CA to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 295 scheduled flights between September 2025 and August 2026. 2.7% 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.