DL863 · JFK → SLC

Delta Air Lines · New York JFK to Salt Lake City · last 12 months · 329 flights tracked

70.2%on-time

DL863 JFK→SLC: 70.2% on-time over 329 flights (last 12 months) — average. It trails the route average (76.4%) by 6.2 points. Best day to fly: Sat (80.4%); worst: Fri (60.9%). Seasonality matters: Sep is the most reliable month (83.3%), Aug the worst (45.2%). Cancellation rate is 2.1% — have a backup plan. Average arrival delay: 19.4 minutes.

Data: US BTS, last 12 months.

19.4 minavg arrival delay

2.1%cancelled

0diverted

329flights tracked

Arrival delay distribution

Early/on time · 1781–60 min · 11361–180 min · 26180+ min · 5

On-time by day of week

Mon

78.7%

Tue

71.7%

Wed

70.2%

Thu

67.4%

Fri

60.9%

Sat

80.4%

Sun

61.4%

On-time by month

83.3%

Sep

67.7%

Oct

78.6%

Nov

100.0%

Dec

61.5%

Jan

76.9%

Feb

70.0%

Mar

73.3%

Apr

67.7%

May

70.0%

Jun

78.6%

Jul

45.2%

Aug

← All flights on JFK–SLC