AS429 · SEA → ORD

Alaska Airlines · Seattle to Chicago O'Hare · last 12 months · 227 flights tracked

56.4%on-time

AS429 SEA→ORD: 56.4% on-time over 227 flights (last 12 months) — below average. It trails the route average (76.7%) by 20.3 points. Best day to fly: Tue (66.7%); worst: Wed (46.9%). Seasonality matters: May is the most reliable month (70.0%), Aug the worst (45.2%). Cancellation rate is 3.1% — have a backup plan. Average arrival delay: 28.0 minutes.

Data: US BTS, last 12 months.

28.0 minavg arrival delay

3.1%cancelled

2diverted

227flights tracked

Arrival delay distribution

Early/on time · 801–60 min · 11561–180 min · 16180+ min · 7

On-time by day of week

Mon

54.8%

Tue

66.7%

Wed

46.9%

Thu

53.3%

Fri

59.4%

Sat

60.7%

Sun

53.1%

On-time by month

60.0%

Sep

51.6%

Oct

63.0%

Nov

50.0%

Dec

50.0%

Jan

62.5%

Apr

70.0%

May

63.2%

Jun

56.7%

Jul

45.2%

Aug

← All flights on SEA–ORD