DL2004 · BOS → LAX

Delta Air Lines · Boston to Los Angeles · last 12 months · 117 flights tracked

85.2%on-time
DL2004 BOS→LAX: 85.2% on-time over 117 flights (last 12 months) — excellent. It beats the route average (73.7%) by 11.5 points. Best day to fly: Mon (93.8%); worst: Sun (76.5%). Seasonality matters: May is the most reliable month (96.0%), Aug the worst (73.3%). Cancellation rate is 1.7% — have a backup plan. Average arrival delay: 9.8 minutes.
Data: US BTS, last 12 months.
9.8 minavg arrival delay
1.7%cancelled
0diverted
117flights tracked

Arrival delay distribution

Early/on time · 671–60 min · 4361–180 min · 4180+ min · 1

On-time by day of week

Mon
93.8%
Tue
81.2%
Wed
86.7%
Thu
82.4%
Fri
88.2%
Sat
88.2%
Sun
76.5%

On-time by month

96.0%
May
79.3%
Jun
93.5%
Jul
73.3%
Aug

← All flights on BOS–LAX