Delta Air Lines
DL321Boston to Los Angeles
Delta Air Lines flight DL321 flies from Boston (BOS) to Los Angeles (LAX), 4,193 km. Over August 2025 to July 2026 it usually arrives about 23 minutes late: 69% of 280 flights arrived within 15 minutes of schedule and 2.9% were cancelled (US Department of Transportation data).
On-time record, last 12 months
69%
on time (within 15 min)
23%
more than 30 min late
2.9%
cancelled
+23 min
average arrival vs schedule
Every operation of DL321, August 2025 to July 2026: 280 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as DL321
- Boston (BOS) to Los Angeles (LAX)280 flights
Other flights from Boston to Los Angeles
More about Boston (BOS) and Los Angeles (LAX).
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