American Airlines
AA1243Boston to Los Angeles
American Airlines flight AA1243 flies from Boston (BOS) to Los Angeles (LAX), 4,193 km. Over August 2025 to July 2026 it usually arrives about 15 minutes late: 65% of 364 flights arrived within 15 minutes of schedule and 3.6% were cancelled (US Department of Transportation data).
On-time record, last 12 months
65%
on time (within 15 min)
23%
more than 30 min late
3.6%
cancelled
+15 min
average arrival vs schedule
Every operation of AA1243, August 2025 to July 2026: 364 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AA1243
- Boston (BOS) to Los Angeles (LAX)182 flights
- Dallas-Fort Worth (DFW) to San Diego (SAN)182 flights
Other flights from Boston to Los Angeles
More about Boston (BOS) and Los Angeles (LAX).
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