UA2497 · IAD → ORD

United Airlines · Washington Dulles to Chicago O'Hare · last 12 months · 365 flights tracked

46.5%on-time

UA2497 IAD→ORD: 46.5% on-time over 365 flights (last 12 months) — below average. It trails the route average (74.7%) by 28.2 points. Best day to fly: Sat (55.8%); worst: Thu (39.2%). Seasonality matters: Sep is the most reliable month (73.3%), Jul the worst (16.7%). Average arrival delay: 42.5 minutes.

Data: US BTS, last 12 months.

42.5 minavg arrival delay

0.8%cancelled

3diverted

365flights tracked

Arrival delay distribution

Early/on time · 851–60 min · 21561–180 min · 36180+ min · 23

On-time by day of week

Mon

44.2%

Tue

48.1%

Wed

46.2%

Thu

39.2%

Fri

48.0%

Sat

55.8%

Sun

44.0%

On-time by month

73.3%

Sep

41.9%

Oct

60.0%

Nov

45.2%

Dec

43.3%

Jan

50.0%

Feb

66.7%

Mar

40.0%

Apr

38.7%

May

43.3%

Jun

16.7%

Jul

35.5%

Aug

← All flights on IAD–ORD