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Baltimore, MD: Baltimore/Washington International Thurgood Marshall (BWI)
to Manchester, NH: Boston Regional (MHT)

Flight Delay Summary
Based on 2887 flights from 01/01/2010 to 12/31/2010
58% On Time
19% 5-20 min. Delay
21% >20 min. Delay
2% Cancelled/Diverted
Average
(median)
Be Prepared For
(85th percentile)
Cancelled
or diverted
In Good Weather... 1 min. late 25 min. late 1%
In Bad Weather... 2 min. late 33 min. late 4%
In Fog... (5%) 9 min. late 71 min. late 12%
In Rain... (33%) 2 min. late 32 min. late 1%
In Snow... (8%) 5 min. late 35 min. late 20%
In Thunder... (10%) 9 min. late 77 min. late 0%

“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
Southwest 3154 (36 flights) 10 min. early
Southwest 484 (40 flights) 9 min. early
Southwest 225 (59 flights) 8 min. early
Southwest 155 (68 flights) 8 min. early
Southwest 568 (22 flights) 7 min. early
Southwest 1446 (30 flights) 7 min. early
Southwest 2615 (11 flights) 6 min. early
Southwest 3070 (14 flights) 6 min. early
Southwest 1231 (14 flights) 6 min. early
Southwest 520 (22 flights) 6 min. early
Southwest 595 (26 flights) 6 min. early
Southwest 3745 (14 flights) 6 min. early
Southwest 2654 (31 flights) 5 min. early
Southwest 1004 (36 flights) 4 min. early
Southwest 4 (28 flights) 4 min. early
Southwest 1318 (14 flights) 3 min. early
Southwest 105 (54 flights) 3 min. early
Southwest 1041 (35 flights) 3 min. early
Southwest 567 (34 flights) 2 min. early
Southwest 1163 (48 flights) 2 min. early
Southwest 1786 (14 flights) 1 min. early
Southwest 825 (26 flights) 1 min. early
Southwest 1684 (7 flights) on time
Southwest 1776 (4 flights) on time
Southwest 1747 (8 flights) on time
Southwest 1581 (5 flights) on time
Southwest 1486 (5 flights) on time
Southwest 1438 (5 flights) on time
Southwest 1402 (8 flights) on time
Southwest 1271 (5 flights) on time
Southwest 1262 (5 flights) on time
Southwest 1251 (6 flights) on time
Southwest 1238 (9 flights) on time
Southwest 1647 (8 flights) on time
Southwest 1846 (7 flights) on time
Southwest 1854 (7 flights) on time
Southwest 1919 (5 flights) on time
Southwest 2548 (5 flights) on time
Southwest 2579 (5 flights) on time
Southwest 3315 (6 flights) on time
Southwest 2762 (6 flights) on time
Southwest 2823 (7 flights) on time
Southwest 3055 (8 flights) on time
Southwest 3574 (6 flights) on time
Southwest 3744 (5 flights) on time
Southwest 2530 (6 flights) on time
Southwest 2424 (8 flights) on time
Southwest 2398 (6 flights) on time
Southwest 1941 (7 flights) on time
Southwest 1988 (5 flights) on time
Southwest 1996 (6 flights) on time
Southwest 2018 (8 flights) on time
Southwest 2093 (9 flights) on time
Southwest 2106 (8 flights) on time
Southwest 3921 (12 flights) on time
Southwest 2352 (4 flights) on time
Southwest 3831 (5 flights) on time
Southwest 1235 (6 flights) on time
Southwest 1212 (5 flights) on time
Southwest 336 (7 flights) on time
Southwest 380 (5 flights) on time
Southwest 881 (4 flights) on time
Southwest 443 (8 flights) on time
Southwest 836 (5 flights) on time
Southwest 516 (4 flights) on time
Southwest 533 (4 flights) on time
Southwest 590 (5 flights) on time
Southwest 923 (4 flights) on time
Southwest 969 (9 flights) on time
Southwest 125 (6 flights) on time
Southwest 1166 (35 flights) on time
Southwest 232 (5 flights) on time
Southwest 176 (6 flights) on time
Southwest 1127 (4 flights) on time
Southwest 1068 (40 flights) on time
Southwest 1050 (8 flights) on time
Southwest 784 (72 flights) on time
Southwest 430 (35 flights) 1 min. late
Southwest 2982 (26 flights) 1 min. late
Southwest 2876 (84 flights) 1 min. late
Southwest 810 (48 flights) 1 min. late
Southwest 1900 (28 flights) 2 min. late
Southwest 535 (70 flights) 2 min. late
Southwest 566 (68 flights) 2 min. late
Southwest 1798 (14 flights) 3 min. late
Southwest 233 (35 flights) 3 min. late
Southwest 393 (65 flights) 4 min. late
Southwest 434 (28 flights) 4 min. late
Southwest 619 (26 flights) 4 min. late
Southwest 327 (48 flights) 4 min. late
Southwest 2264 (32 flights) 4 min. late
Southwest 2467 (72 flights) 5 min. late
Southwest 315 (28 flights) 6 min. late
Southwest 3088 (13 flights) 6 min. late
Southwest 974 (30 flights) 6 min. late
Southwest 1136 (84 flights) 6 min. late
Southwest 1610 (28 flights) 7 min. late
Southwest 2987 (32 flights) 8 min. late
Southwest 660 (48 flights) 9 min. late
Southwest 19 (26 flights) 10 min. late
Southwest 543 (94 flights) 10 min. late
Southwest 3828 (14 flights) 11 min. late
Southwest 2206 (11 flights) 11 min. late
Southwest 1263 (82 flights) 11 min. late
Southwest 368 (11 flights) 12 min. late
Southwest 894 (31 flights) 13 min. late
Southwest 92 (28 flights) 13 min. late
Southwest 367 (22 flights) 13 min. late
Southwest 1244 (32 flights) 13 min. late
Southwest 230 (22 flights) 14 min. late
Southwest 2526 (82 flights) 15 min. late
Southwest 2729 (36 flights) 15 min. late
Southwest 1741 (31 flights) 15 min. late
Southwest 571 (48 flights) 16 min. late
Southwest 1832 (26 flights) 19 min. late
Southwest 815 (11 flights) 19 min. late
Southwest 1930 (13 flights) 23 min. late
Southwest 102 (11 flights) 27 min. late
Southwest 2985 (82 flights) 32 min. late
Southwest 902 (11 flights) 37 min. late
Southwest 3496 (11 flights) 51 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 2 min. late 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%