United Air Lines Flight 524
ORD to BOS

Based on 302 flights from 01/02/2010 to 12/30/2010

88%	On Time
5%	5-20 min. Delay
5%	>20 min. Delay
3%	Cancelled/Diverted

	Average (median)	Be Prepared For (85^th percentile)	Cancelled or diverted
In Good Weather...	11 min. early	1 min. late	2%
In Bad Weather...	13 min. early	2 min. late	3%
In Rain... (32%)	15 min. early	4 min. early	3%
In Snow... (17%)	4 min. early	9 min. late	6%
In Thunder... (9%)	13 min. early	4 min. early	4%

“Be Prepared For” gives the longest delay you can reasonably expect to occur. Only the unluckiest 15 percent of flights experience longer delays.

Current weather is 19.0 F (-7.2 C) and Partly Cloudy, 45% humidity, and 10.00 miles visibility at CHICAGO OHARE INTL AP, US, IL as of Sat, 11 Feb 2012 14:51:00 -0600.

This flight's average arrival delay is better than 90% of other flights between these airports.

Based on all flights originating at Chicago, IL: O'Hare.

Holiday	Averge Arrival	Be Prepared For	Cancelled
Most Days	12 min. early	1 min. late	3%
Day Before Memorial Day (726 flights)	8 min. early	6 min. late	1%
Memorial Day (884 flights)	49 min. late	2.5 hrs. late	11%
Day After Memorial Day (887 flights)	on time	27 min. late	2%
Labor Day (898 flights)	5 min. early	13 min. late	1%
Wednesday Before Thanksgiving Day (842 flights)	6 min. late	57 min. late	1%
Thanksgiving Day (550 flights)	5 min. early	17 min. late	1%
Friday After Thanksgiving Day (687 flights)	14 min. early	1 min. late	0%
Saturday After Thanksgiving Day (762 flights)	14 min. early	1 min. early	0%
Sunday After Thanksgiving Day (850 flights)	10 min. early	3 min. late	0%
Day Before Christmas Day (670 flights)	7 min. late	34 min. late	1%
Christmas Day (643 flights)	2 min. late	36 min. late	2%
Day After Christmas Day (808 flights)	6 min. late	49 min. late	11%

United Air Lines Flight 524ORD to BOS

United Air Lines Flight 524
ORD to BOS