DL639: Delta flight 639
Los Angeles (LAX) → Boston (BOS) · departs 6:40a, lands 3:10p local · Daily
The timetable below has every scheduled departure; for today's flight, check Delta.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at Delta →The route
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DL639 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 4–10.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| LAX → BOSLos Angeles to Boston | 6:40a | 3:10p | 5h30m | Daily |
Other nonstops from Los Angeles to Boston
The departures either side of DL639. Times are Los Angeles time.
| Flight | Departs | Days |
|---|---|---|
| JetBlue | 6:30a | Daily |
| This flight DL639 | 6:40a | Daily |
| American AA12 | 8:02a | Daily |
| United UA1783 | 8:50a | Daily |
| American AA2713 | 10:00a | Mon–Sat |
All 17 flights from LAX to BOS, by time →
Flying back from Boston
Delta flies Boston to Los Angeles nonstop 25 times a week, from 6:15a to 8:38p: 6:15a DL479 · 10:55a DL2004 · 4:20p DL508 · every nonstop BOS → LAX →
How DL639 ran in our sample
7 of 7 departures left within 15 minutes of schedule (Oct 4–10). Only flights that departed are counted: cancellations are not in our data.
What time does DL639 leave Los Angeles?
DL639 is scheduled to depart Los Angeles (LAX) at 6:40a (daily), Los Angeles time, and to land in Boston (BOS) at about 3:10p local time, a scheduled 5h30m. Times are the published ones from the flights we sampled Oct 4–10; check Delta for today's.
Does DL639 fly every day?
Yes — DL639 flew Los Angeles to Boston every day of the week we sampled (Oct 4–10).
Is DL639 usually on time?
Of 7 DL639 departures from LAX we sampled Oct 4–10, 7 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More Delta flights from Los Angeles
Timetable from Delta departures we observed; DL639 is a Delta Air Lines flight number, and Hop Nonstop is not affiliated with Delta. Schedules change — confirm with the airline before you travel.