UA2156 · IAD → LAS

United Airlines · Washington Dulles to Las Vegas · last 12 months · 309 flights tracked

89.3%on-time

UA2156 IAD→LAS: 89.3% on-time over 309 flights (last 12 months) — excellent. It beats the route average (85.3%) by 4.0 points. Best day to fly: Sat (95.5%); worst: Mon (82.2%). Seasonality matters: Mar is the most reliable month (93.5%), Jan the worst (83.3%). Average arrival delay: 6.2 minutes.

Data: US BTS, last 12 months.

6.2 minavg arrival delay

0.3%cancelled

1diverted

309flights tracked

Arrival delay distribution

Early/on time · 2331–60 min · 6761–180 min · 6180+ min · 1

On-time by day of week

Mon

82.2%

Tue

90.9%

Wed

93.0%

Thu

88.4%

Fri

86.4%

Sat

95.5%

Sun

88.6%

On-time by month

83.3%

Oct

93.3%

Nov

93.5%

Dec

83.3%

Jan

89.3%

Feb

93.5%

Mar

86.7%

Apr

90.3%

May

86.7%

Jun

90.0%

Jul

83.9%

Aug

← All flights on IAD–LAS