American Airlines Flight 874
ORD to BOS

Based on 363 flights from 01/01/2010 to 12/31/2010

55%	On Time
15%	5-20 min. Delay
28%	>20 min. Delay
2%	Cancelled/Diverted

	Average (median)	Be Prepared For (85^th percentile)	Cancelled or diverted
In Good Weather...	1 min. late	47 min. late	0%
In Bad Weather...	5 min. late	66 min. late	5%
In Fog... (6%)	53 min. late	2.4 hrs. late	19%
In Rain... (32%)	7 min. late	69 min. late	3%
In Snow... (15%)	7 min. late	62 min. late	11%
In Thunder... (11%)	8 min. late	113 min. late	2%

“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 worse than 92% 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	3 min. late	61 min. late	2%
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%

American Airlines Flight 874ORD to BOS

American Airlines Flight 874
ORD to BOS