Chicago, IL: O'Hare (ORD)

Based on 351582 flights from 05/01/2008 to 05/31/2009

63%	On Time
12%	5-20 min. Delay
21%	>20 min. Delay
3%	Cancelled/Diverted

	Average (median)	Be Prepared For (85^th percentile)	Cancelled or diverted
In Good Weather...	6 min. early	17 min. late	1%
In Bad Weather...	2 min. late	54 min. late	4%
In Fog... (6%)	20 min. late	98 min. late	12%
In Rain... (38%)	2 min. late	56 min. late	4%
In Snow... (17%)	1 min. late	50 min. late	5%
In Thunder... (13%)	11 min. late	79 min. late	7%

“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 28.0 F (-2.2 C) and Overcast, 63% humidity, and 10.00 miles visibility at CHICAGO OHARE INTL AP, US, IL as of Mon, 8 Feb 2010 21:51:00 -0600.

ORD to ...	Averge Arrival
LGA (11447 flights)	1 min. early
MSP (10343 flights)	5 min. early
DCA (8448 flights)	2 min. early
DFW (8030 flights)	2 min. early
ATL (7942 flights)	on time
DTW (7903 flights)	3 min. early
EWR (7835 flights)	2 min. late
BOS (7731 flights)	4 min. early
LAX (7512 flights)	1 min. early
PHL (7406 flights)	3 min. early

Holiday	Averge Arrival	Be Prepared For	Cancelled
Most Days	3 min. early	35 min. late	3%
Day Before Memorial Day (832 flights)	4 min. early	16 min. late	0%
Memorial Day (1030 flights)	4 min. early	15 min. late	1%
Day After Memorial Day (1019 flights)	2 min. early	26 min. late	2%
Labor Day (994 flights)	5 min. early	9 min. late	1%
Wednesday Before Thanksgiving Day (903 flights)	12 min. early	on time	0%
Thanksgiving Day (574 flights)	13 min. early	3 min. early	0%
Friday After Thanksgiving Day (638 flights)	15 min. early	2 min. early	0%
Saturday After Thanksgiving Day (792 flights)	11 min. early	2 min. late	0%
Sunday After Thanksgiving Day (898 flights)	41 min. late	2.7 hrs. late	10%
Day Before Christmas Day (737 flights)	68 min. late	2.5 hrs. late	8%
Christmas Day (737 flights)	2 min. late	50 min. late	3%
Day After Christmas Day (882 flights)	81 min. late	2.5 hrs. late	30%