Delta Air Lines
DL639Los Angeles to Boston
Delta Air Lines flight DL639 flies from Los Angeles (LAX) to Boston (BOS), 4,193 km. Over August 2025 to July 2026 it usually arrives about 6 minutes late: 82% of 365 flights arrived within 15 minutes of schedule and 2.7% were cancelled (US Department of Transportation data).
On-time record, last 12 months
82%
on time (within 15 min)
10%
more than 30 min late
2.7%
cancelled
+6 min
average arrival vs schedule
Every operation of DL639, August 2025 to July 2026: 365 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as DL639
- Los Angeles (LAX) to Boston (BOS)365 flights
Other flights from Los Angeles to Boston
More about Los Angeles (LAX) and Boston (BOS).
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