DL421 · DTW → LAS

Delta Air Lines · Detroit to Las Vegas · last 12 months · 361 flights tracked

72.4%on-time

DL421 DTW→LAS: 72.4% on-time over 361 flights (last 12 months) — average. It trails the route average (73.6%) by 1.2 points. Best day to fly: Fri (76.5%); worst: Tue (67.3%). Seasonality matters: Apr is the most reliable month (93.3%), Jul the worst (50.0%). Average arrival delay: 15.7 minutes.

Data: US BTS, last 12 months.

15.7 minavg arrival delay

0.6%cancelled

0diverted

361flights tracked

Arrival delay distribution

Early/on time · 1821–60 min · 15261–180 min · 23180+ min · 2

On-time by day of week

Mon

69.8%

Tue

67.3%

Wed

72.0%

Thu

75.5%

Fri

76.5%

Sat

75.0%

Sun

71.2%

On-time by month

73.3%

Sep

87.1%

Oct

83.3%

Nov

64.3%

Dec

73.3%

Jan

75.0%

Feb

74.2%

Mar

93.3%

Apr

74.2%

May

70.0%

Jun

50.0%

Jul

50.0%

Aug

← All flights on DTW–LAS