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Baltimore, MD: Baltimore/Washington International Thurgood Marshall (BWI)
to Boston, MA: Logan International (BOS)

Flight Delay Summary
Based on 7011 flights from 01/01/2010 to 12/31/2010
68% On Time
11% 5-20 min. Delay
18% >20 min. Delay
2% Cancelled/Diverted
Average
(median)
Be Prepared For
(85th percentile)
Cancelled
or diverted
In Good Weather... 5 min. early 16 min. late 1%
In Bad Weather... on time 50 min. late 5%
In Fog... (5%) 7 min. late 74 min. late 13%
In Rain... (33%) 1 min. early 53 min. late 3%
In Snow... (8%) 3 min. late 40 min. late 17%
In Thunder... (10%) 1 min. early 71 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 and , % humidity, and miles visibility at BALTIMORE BLT-WASHNGTN INT'L, US, MD as of .


Most On-Time Flights & Airlines

Flight
Averge Arrival
JetBlue Airways 1324 (327 flights) 12 min. early
JetBlue Airways 1320 (276 flights) 11 min. early
Southwest 2079 (14 flights) 11 min. early
AirTran Airways 815 (162 flights) 10 min. early
JetBlue Airways 1326 (304 flights) 10 min. early
AirTran Airways 820 (22 flights) 10 min. early
Southwest 1048 (40 flights) 10 min. early
Southwest 1222 (68 flights) 10 min. early
Southwest 2492 (10 flights) 9 min. early
JetBlue Airways 1328 (327 flights) 8 min. early
JetBlue Airways 1322 (365 flights) 8 min. early
Southwest 177 (70 flights) 7 min. early
AirTran Airways 808 (28 flights) 7 min. early
AirTran Airways 807 (314 flights) 7 min. early
AirTran Airways 805 (345 flights) 7 min. early
AirTran Airways 953 (56 flights) 6 min. early
AirTran Airways 801 (42 flights) 5 min. early
Southwest 182 (84 flights) 5 min. early
Southwest 351 (22 flights) 5 min. early
Southwest 3255 (40 flights) 5 min. early
JetBlue Airways 1330 (56 flights) 5 min. early
Southwest 1974 (14 flights) 4 min. early
Southwest 776 (26 flights) 4 min. early
AirTran Airways 806 (157 flights) 4 min. early
AirTran Airways 634 (223 flights) 4 min. early
AirTran Airways 819 (261 flights) 3 min. early
Southwest 2005 (70 flights) 3 min. early
Southwest 1008 (83 flights) 3 min. early
Southwest 1628 (23 flights) 3 min. early
AirTran Airways 324 (67 flights) 3 min. early
AirTran Airways 814 (307 flights) 2 min. early
Southwest 2334 (14 flights) 2 min. early
AirTran Airways 467 (23 flights) 2 min. early
Southwest 2890 (14 flights) 2 min. early
Southwest 2508 (12 flights) 1 min. early
Southwest 962 (11 flights) 1 min. early
AirTran Airways 53 (51 flights) 1 min. early
Southwest 178 (26 flights) 1 min. early
AirTran Airways 823 (57 flights) 1 min. early
AirTran Airways 457 (115 flights) 1 min. early
AirTran Airways 605 (103 flights) 1 min. early
Southwest 3665 (28 flights) 1 min. early
AirTran Airways 803 (39 flights) 1 min. early
Southwest 1972 (6 flights) on time
Southwest 1688 (6 flights) on time
Southwest 1650 (7 flights) on time
Southwest 1141 (32 flights) on time
Southwest 1859 (8 flights) on time
Southwest 1827 (7 flights) on time
Southwest 1182 (6 flights) on time
Southwest 1742 (5 flights) on time
Southwest 1626 (9 flights) on time
Southwest 1735 (4 flights) on time
Southwest 1415 (5 flights) on time
Southwest 1396 (5 flights) on time
Southwest 1571 (7 flights) on time
Southwest 1390 (8 flights) on time
Southwest 1381 (8 flights) on time
Southwest 1790 (9 flights) on time
Southwest 1579 (5 flights) on time
Southwest 1698 (5 flights) on time
Southwest 1284 (8 flights) on time
Southwest 1274 (5 flights) on time
Southwest 1331 (8 flights) on time
Southwest 988 (5 flights) on time
Southwest 2440 (8 flights) on time
Southwest 2521 (6 flights) on time
Southwest 391 (7 flights) on time
Southwest 234 (8 flights) on time
Southwest 233 (8 flights) on time
Southwest 2543 (4 flights) on time
Southwest 2676 (14 flights) on time
Southwest 2821 (6 flights) on time
Southwest 2875 (7 flights) on time
Southwest 2894 (5 flights) on time
AirTran Airways 821 (58 flights) on time
Southwest 2350 (7 flights) on time
Southwest 2346 (5 flights) on time
Southwest 2047 (8 flights) on time
Southwest 2097 (6 flights) on time
Southwest 801 (8 flights) on time
Southwest 2154 (5 flights) on time
AirTran Airways 817 (57 flights) on time
Southwest 2265 (4 flights) on time
Southwest 1564 (5 flights) on time
Southwest 680 (4 flights) on time
Southwest 2304 (8 flights) on time
Southwest 606 (5 flights) on time
Southwest 1831 (72 flights) 1 min. late
Southwest 2179 (59 flights) 1 min. late
Southwest 1923 (11 flights) 1 min. late
Southwest 1153 (29 flights) 1 min. late
AirTran Airways 344 (203 flights) 2 min. late
Southwest 526 (25 flights) 2 min. late
Southwest 1887 (14 flights) 2 min. late
Southwest 495 (34 flights) 2 min. late
AirTran Airways 446 (218 flights) 3 min. late
Southwest 1490 (36 flights) 3 min. late
Southwest 794 (26 flights) 4 min. late
Southwest 1018 (26 flights) 4 min. late
Southwest 187 (29 flights) 4 min. late
Southwest 1142 (32 flights) 4 min. late
Southwest 1804 (28 flights) 4 min. late
Southwest 584 (11 flights) 4 min. late
Southwest 902 (35 flights) 5 min. late
Southwest 3333 (30 flights) 5 min. late
AirTran Airways 928 (37 flights) 5 min. late
Southwest 3403 (31 flights) 5 min. late
Southwest 805 (36 flights) 6 min. late
Southwest 1010 (68 flights) 6 min. late
Southwest 3497 (40 flights) 6 min. late
Southwest 3862 (36 flights) 7 min. late
Southwest 186 (83 flights) 7 min. late
Southwest 613 (48 flights) 7 min. late
Southwest 1608 (30 flights) 7 min. late
Southwest 788 (59 flights) 7 min. late
Southwest 838 (36 flights) 7 min. late
Southwest 1739 (32 flights) 9 min. late
Southwest 432 (11 flights) 10 min. late
Southwest 724 (30 flights) 15 min. late
Southwest 121 (26 flights) 18 min. late
Southwest 127 (28 flights) 18 min. late
Southwest 408 (11 flights) 20 min. late
Southwest 117 (26 flights) 21 min. late
Southwest 979 (14 flights) 21 min. late
Southwest 1369 (36 flights) 22 min. late
Southwest 3195 (14 flights) 23 min. late
Southwest 3773 (32 flights) 23 min. late
Southwest 784 (84 flights) 24 min. late
Southwest 1150 (11 flights) 33 min. late
Southwest 456 (48 flights) 34 min. late
Southwest 2100 (11 flights) 35 min. late
Southwest 1139 (11 flights) 54 min. late

Best Days and Times to Fly from BWI
Based on all flights originating at Baltimore, MD: Baltimore/Washington International Thurgood Marshall.
Holiday Delays at BWI
Based on all flights originating at Baltimore, MD: Baltimore/Washington International Thurgood Marshall.

Holiday
Averge Arrival
Be Prepared For
Cancelled
Most Days 3 min. early 28 min. late 2%
Day Before Memorial Day (242 flights) 13 min. early 3 min. early 0%
Memorial Day (304 flights) on time 59 min. late 1%
Day After Memorial Day (321 flights) 6 min. late 78 min. late 2%
Labor Day (288 flights) 6 min. early 6 min. late 1%
Wednesday Before Thanksgiving Day (305 flights) 1 min. early 18 min. late 0%
Thanksgiving Day (208 flights) 8 min. early 7 min. late 0%
Friday After Thanksgiving Day (234 flights) 6 min. early 9 min. late 0%
Saturday After Thanksgiving Day (268 flights) 5 min. early 10 min. late 0%
Sunday After Thanksgiving Day (313 flights) 8 min. early 9 min. late 0%
Day Before Christmas Day (232 flights) 6 min. early 15 min. late 0%
Christmas Day (221 flights) 2 min. late 23 min. late 3%
Day After Christmas Day (290 flights) 11 min. late 44 min. late 47%