UA1989 · ORD → BOS

United Airlines · Chicago O'Hare to Boston · last 12 months · 184 flights tracked

57.9%on-time
UA1989 ORD→BOS: 57.9% on-time over 184 flights (last 12 months) — below average. It trails the route average (66.6%) by 8.7 points. Best day to fly: Sat (63.0%); worst: Mon (50.0%). Seasonality matters: Feb is the most reliable month (68.0%), Oct the worst (41.9%). Cancellation rate is 2.7% — have a backup plan. Average arrival delay: 35.2 minutes.
Data: US BTS, last 12 months.
35.2 minavg arrival delay
2.7%cancelled
1diverted
184flights tracked

Arrival delay distribution

Early/on time · 621–60 min · 8761–180 min · 22180+ min · 7

On-time by day of week

Mon
50.0%
Tue
56.0%
Wed
61.5%
Thu
61.5%
Fri
61.5%
Sat
63.0%
Sun
50.0%

On-time by month

50.0%
Sep
41.9%
Oct
58.6%
Nov
58.1%
Dec
62.1%
Jan
68.0%
Feb
60.7%
Mar

← All flights on ORD–BOS