DL657 · SLC → BOS

Delta Air Lines · Salt Lake City to Boston · last 12 months · 365 flights tracked

81.2%on-time

DL657 SLC→BOS: 81.2% on-time over 365 flights (last 12 months) — solid. It beats the route average (80.6%) by 0.6 points. Seasonality matters: May is the most reliable month (93.5%), Oct the worst (58.1%). Average arrival delay: 11.1 minutes.

Data: US BTS, last 12 months.

11.1 minavg arrival delay

1.1%cancelled

0diverted

365flights tracked

Arrival delay distribution

Early/on time · 2331–60 min · 10761–180 min · 18180+ min · 3

On-time by day of week

Mon

80.4%

Tue

80.4%

Wed

84.6%

Thu

82.7%

Fri

78.8%

Sat

78.8%

Sun

82.4%

On-time by month

60.0%

Sep

58.1%

Oct

90.0%

Nov

77.4%

Dec

85.7%

Jan

92.6%

Feb

87.1%

Mar

76.7%

Apr

93.5%

May

80.0%

Jun

87.1%

Jul

87.1%

Aug

← All flights on SLC–BOS