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Chicago, IL: O'Hare (ORD)
to Philadelphia, PA: Philadelphia International (PHL)

Flight Delay Summary
Based on 7406 flights from 05/01/2008 to 05/31/2009
60% On Time
11% 5-20 min. Delay
25% >20 min. Delay
3% Cancelled/Diverted
Average
(median)
 Be Prepared For
(85th percentile)
 Cancelled
or diverted
In Good Weather... 7 min. early 25 min. late 2%
In Bad Weather... 4 min. late 70 min. late 5%
In Fog... (6%) 21 min. late 108 min. late 11%
In Rain... (39%) 4 min. late 72 min. late 4%
In Snow... (19%) 4 min. late 74 min. late 7%
In Thunder... (13%) 7 min. late 80 min. late 6%

“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 41.0 F (5.0 C) and Overcast, 86% humidity, and 10.00 miles visibility at CHICAGO OHARE INTL AP, US, IL as of Sun, 14 Mar 2010 04:51:00 -0500.

Most On-Time Flights & Airlines

Flight
Averge Arrival
US Airways 1937 (20 flights) 14 min. early
US Airways 817 (172 flights) 13 min. early
US Airways 1005 (204 flights) 13 min. early
United 546 (12 flights) 12 min. early
American 2001 (66 flights) 11 min. early
US Airways 921 (33 flights) 11 min. early
US Airways 5 (185 flights) 10 min. early
US Airways 1749 (114 flights) 9 min. early
US Airways 1244 (22 flights) 8 min. early
US Airways 702 (22 flights) 8 min. early
United 446 (63 flights) 8 min. early
US Airways 908 (43 flights) 7 min. early
US Airways 670 (124 flights) 7 min. early
US Airways 700 (372 flights) 7 min. early
United 148 (329 flights) 7 min. early
United 456 (184 flights) 7 min. early
US Airways 1266 (22 flights) 6 min. early
United 332 (55 flights) 6 min. early
US Airways 1637 (37 flights) 6 min. early
American 2296 (312 flights) 5 min. early
American 1866 (60 flights) 5 min. early
United 1160 (302 flights) 5 min. early
US Airways 1647 (11 flights) 5 min. early
United 1006 (20 flights) 5 min. early
US Airways 856 (162 flights) 5 min. early
United 470 (309 flights) 5 min. early
US Airways 1241 (66 flights) 5 min. early
United 128 (354 flights) 4 min. early
United 564 (64 flights) 3 min. early
US Airways 1563 (99 flights) 2 min. early
American 1768 (318 flights) 2 min. early
United 1224 (30 flights) 2 min. early
US Airways 1079 (13 flights) 2 min. early
US Airways 725 (22 flights) 2 min. early
US Airways 1659 (7 flights) on time
US Airways 1931 (9 flights) on time
US Airways 867 (5 flights) on time
US Airways 1470 (7 flights) on time
US Airways 1428 (5 flights) on time
American 1248 (388 flights) on time
United 104 (7 flights) on time
United 486 (5 flights) on time
United 850 (211 flights) on time
United 1028 (5 flights) on time
United 1180 (5 flights) on time
United 1233 (5 flights) on time
United 1270 (3 flights) on time
United 1404 (5 flights) on time
American Eagle 4189 (210 flights) 2 min. late
US Airways 1571 (165 flights) 3 min. late
United 330 (193 flights) 3 min. late
American Eagle 4171 (211 flights) 4 min. late
United 884 (185 flights) 4 min. late
US Airways 722 (181 flights) 5 min. late
American 2456 (125 flights) 5 min. late
US Airways 1561 (147 flights) 6 min. late
American 408 (382 flights) 7 min. late
American 1766 (25 flights) 8 min. late
US Airways 740 (178 flights) 9 min. late
US Airways 1270 (115 flights) 10 min. late
United 376 (391 flights) 10 min. late

Best Days and Times to Fly from ORD
Based on all flights originating at Chicago, IL: O'Hare.
Holiday Delays at ORD
Based on all flights originating at Chicago, IL: O'Hare.

Holiday
Averge Arrival
Be Prepared For
Cancelled
Most Days 3 min. early 51 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%


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