DL917 · JFK → SLC

Delta Air Lines · New York JFK to Salt Lake City · last 12 months · 364 flights tracked

79.8%on-time

DL917 JFK→SLC: 79.8% on-time over 364 flights (last 12 months) — solid. It beats the route average (76.4%) by 3.4 points. Best day to fly: Fri (86.3%); worst: Sun (76.0%). Seasonality matters: Apr is the most reliable month (93.3%), Jul the worst (51.7%). Cancellation rate is 1.9% — have a backup plan. Average arrival delay: 11.6 minutes.

Data: US BTS, last 12 months.

11.6 minavg arrival delay

1.9%cancelled

1diverted

364flights tracked

Arrival delay distribution

Early/on time · 2291–60 min · 11261–180 min · 12180+ min · 3

On-time by day of week

Mon

84.3%

Tue

80.4%

Wed

76.5%

Thu

78.0%

Fri

86.3%

Sat

76.9%

Sun

76.0%

On-time by month

86.7%

Sep

90.3%

Oct

82.8%

Nov

73.3%

Dec

86.2%

Jan

80.8%

Feb

87.1%

Mar

93.3%

Apr

87.1%

May

70.0%

Jun

51.7%

Jul

64.5%

Aug

← All flights on JFK–SLC