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Philadelphia, PA: Philadelphia International (PHL)
to Boston, MA: Logan International (BOS)

Flight Delay Summary
Based on 5927 flights from 01/01/2010 to 12/31/2010
72% On Time
9% 5-20 min. Delay
16% >20 min. Delay
3% Cancelled/Diverted
Average
(median)
Be Prepared For
(85th percentile)
Cancelled
or diverted
In Good Weather... 9 min. early 9 min. late 1%
In Bad Weather... 3 min. early 47 min. late 5%
In Fog... (4%) 19 min. late 92 min. late 17%
In Rain... (35%) 2 min. early 49 min. late 4%
In Snow... (8%) 3 min. early 40 min. late 18%
In Thunder... (7%) 2 min. early 67 min. late 1%

“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 and , % humidity, and miles visibility at PHILADELPHIA INTERNATIONAL AP, US, PA as of .


Most On-Time Flights & Airlines

Flight
Averge Arrival
Southwest 116 (35 flights) 39 min. early
Southwest 650 (36 flights) 18 min. early
Southwest 1852 (27 flights) 16 min. early
Southwest 3505 (32 flights) 15 min. early
Southwest 2130 (36 flights) 14 min. early
US Airways 1112 (290 flights) 13 min. early
Southwest 238 (40 flights) 12 min. early
US Airways 729 (158 flights) 12 min. early
Southwest 2113 (27 flights) 11 min. early
US Airways 1270 (295 flights) 10 min. early
US Airways 1562 (281 flights) 10 min. early
Southwest 1812 (32 flights) 10 min. early
US Airways 767 (114 flights) 9 min. early
Southwest 1591 (26 flights) 8 min. early
Southwest 1832 (72 flights) 8 min. early
US Airways 799 (88 flights) 8 min. early
Southwest 154 (34 flights) 8 min. early
Southwest 908 (42 flights) 8 min. early
US Airways 1888 (276 flights) 8 min. early
US Airways 1878 (197 flights) 8 min. early
US Airways 1406 (361 flights) 8 min. early
US Airways 1812 (260 flights) 8 min. early
US Airways 711 (145 flights) 8 min. early
US Airways 769 (179 flights) 8 min. early
US Airways 1604 (246 flights) 8 min. early
US Airways 970 (261 flights) 7 min. early
US Airways 1612 (252 flights) 7 min. early
US Airways 1716 (246 flights) 7 min. early
Southwest 251 (30 flights) 7 min. early
US Airways 1066 (106 flights) 7 min. early
US Airways 719 (54 flights) 6 min. early
Southwest 929 (11 flights) 6 min. early
Southwest 1306 (70 flights) 5 min. early
Southwest 1332 (36 flights) 4 min. early
Southwest 2028 (11 flights) 3 min. early
Southwest 1244 (60 flights) 3 min. early
US Airways 880 (345 flights) 3 min. early
US Airways 795 (31 flights) 3 min. early
US Airways 1886 (277 flights) 3 min. early
Southwest 370 (25 flights) 2 min. early
US Airways 753 (130 flights) 2 min. early
Southwest 2873 (72 flights) 2 min. early
Southwest 3011 (7 flights) on time
Southwest 1983 (7 flights) on time
Southwest 1876 (7 flights) on time
Southwest 2043 (6 flights) on time
Southwest 2339 (7 flights) on time
Southwest 3067 (11 flights) on time
Southwest 3057 (5 flights) on time
Southwest 1985 (6 flights) on time
Southwest 2914 (6 flights) on time
Southwest 2667 (6 flights) on time
Southwest 2648 (6 flights) on time
Southwest 2493 (7 flights) on time
Southwest 2488 (5 flights) on time
Southwest 2447 (42 flights) on time
Southwest 3098 (8 flights) on time
Southwest 1781 (9 flights) on time
Southwest 173 (5 flights) on time
Southwest 219 (7 flights) on time
Southwest 334 (7 flights) on time
Southwest 408 (6 flights) on time
Southwest 412 (7 flights) on time
Southwest 599 (5 flights) on time
Southwest 2496 (8 flights) on time
Southwest 967 (7 flights) on time
US Airways 1572 (12 flights) on time
Southwest 1037 (7 flights) on time
Southwest 1721 (5 flights) on time
Southwest 1461 (7 flights) on time
Southwest 1323 (5 flights) on time
US Airways 1876 (36 flights) 1 min. late
Southwest 142 (36 flights) 2 min. late
Southwest 731 (33 flights) 2 min. late
Southwest 394 (41 flights) 7 min. late
Southwest 2785 (33 flights) 9 min. late
Southwest 2376 (11 flights) 9 min. late
Southwest 1366 (36 flights) 13 min. late
Southwest 518 (11 flights) 13 min. late
Southwest 1654 (36 flights) 17 min. late
Southwest 233 (11 flights) 19 min. late
Southwest 994 (11 flights) 27 min. late
Southwest 336 (11 flights) 42 min. late

Best Days and Times to Fly from PHL
Based on all flights originating at Philadelphia, PA: Philadelphia International.
Holiday Delays at PHL
Based on all flights originating at Philadelphia, PA: Philadelphia International.

Holiday
Averge Arrival
Be Prepared For
Cancelled
Most Days 7 min. early 22 min. late 3%
Day Before Memorial Day (208 flights) 21 min. early on time 1%
Memorial Day (243 flights) 11 min. early 33 min. late 2%
Day After Memorial Day (256 flights) 6 min. early 37 min. late 2%
Labor Day (256 flights) 12 min. early 5 min. late 1%
Wednesday Before Thanksgiving Day (266 flights) 4 min. early 22 min. late 0%
Thanksgiving Day (142 flights) 6 min. early 18 min. late 0%
Friday After Thanksgiving Day (200 flights) 7 min. early 10 min. late 1%
Saturday After Thanksgiving Day (220 flights) 10 min. early 9 min. late 0%
Sunday After Thanksgiving Day (256 flights) 14 min. early 4 min. late 0%
Day Before Christmas Day (211 flights) 12 min. early 12 min. late 0%
Christmas Day (195 flights) 10 min. early 10 min. late 6%
Day After Christmas Day (251 flights) 12 min. late 73 min. late 51%