February 2010 Airport Flight Cancellations on Worst Days

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Flight Date	Airport	Total Cancellation	Total Flights	Percent (%)
2/6
	Atlanta	176	1,803	9.76
	Baltimore	395	401	98.50
	Boston	75	417	17.99
	Charlotte	83	551	15.06
	Chicago Midway	30	313	9.58
	Chicago O'Hare	127	1,363	9.32
	Dallas/Ft. Worth	62	1,285	4.82
	Denver	54	1,054	5.12
	Detroit	65	635	10.24
	Ft. Lauderdale	53	351	15.10
	Houston Bush	45	785	5.73
	Las Vegas	30	653	4.59
	Los Angeles	53	905	5.86
	Miami	50	390	12.82
	Minneapolis-St Paul	28	483	5.80
	New York JFK	127	569	22.32
	New York LaGuardia	64	343	18.66
	Newark	70	428	16.36
	Orlando	109	641	17.00
	Philadelphia	347	347	100.00
	Phoenix	37	792	4.67
	Portland	2	201	1.00
	Salt Lake City	16	540	2.96
	San Diego	15	319	4.70
	San Francisco	39	639	6.10
	Seattle	12	387	3.10
	Tampa	52	321	16.20
	Washington Dulles	331	331	100.00
	Washington Reagan	290	290	100.00
2/9
	Atlanta	135	2,185	6.18
	Baltimore	275	518	53.09
	Boston	91	599	15.19
	Charlotte	52	597	8.71
	Chicago Midway	321	454	70.70
	Chicago O'Hare	538	1,675	32.12
	Dallas/Ft. Worth	84	1,486	5.65
	Denver	69	1,260	5.48
	Detroit	146	853	17.12
	Ft. Lauderdale	27	342	7.89
	Houston Bush	50	904	5.53
	Las Vegas	46	757	6.08
	Los Angeles	62	1,032	6.01
	Miami	19	358	5.31
	Minneapolis-St Paul	58	602	9.63
	New York JFK	76	597	12.73
	New York LaGuardia	93	553	16.82
	Newark	79	623	12.68
	Orlando	51	595	8.57
	Philadelphia	112	469	23.88
	Phoenix	39	992	3.93
	Portland	9	265	3.40
	Salt Lake City	15	642	2.34
	San Diego	22	416	5.29
	San Francisco	56	732	7.65
	Seattle	18	478	3.77
	Tampa	33	354	9.32
	Washington Dulles	260	378	68.78
	Washington Reagan	265	446	59.42
2/10
	Atlanta	297	2,258	13.15
	Baltimore	521	527	98.86
	Boston	408	614	66.45
	Charlotte	166	682	24.34
	Chicago Midway	162	453	35.76
	Chicago O'Hare	303	1,705	17.77
	Dallas/Ft. Worth	137	1,489	9.20
	Denver	96	1,272	7.55
	Detroit	184	848	21.70
	Ft. Lauderdale	125	351	35.61
	Houston Bush	92	929	9.90
	Las Vegas	66	764	8.64
	Los Angeles	97	1,056	9.19
	Miami	81	363	22.31
	Minneapolis-St Paul	80	623	12.84
	New York JFK	532	611	87.07
	New York LaGuardia	521	555	93.87
	Newark	628	643	97.67
	Orlando	196	613	31.97
	Philadelphia	485	489	99.18
	Phoenix	70	1,013	6.91
	Portland	10	267	3.75
	Salt Lake City	26	697	3.73
	San Diego	36	420	8.57
	San Francisco	77	739	10.42
	Seattle	26	481	5.41
	Tampa	96	367	26.16
	Washington Dulles	383	385	99.48
	Washington Reagan	453	453	100.00
2/11
	Atlanta	162	2,336	6.93
	Baltimore	370	555	66.67
	Boston	206	648	31.79
	Charlotte	67	682	9.82
	Chicago Midway	40	458	8.73
	Chicago O'Hare	107	1,773	6.03
	Dallas/Ft. Worth	891	1,515	58.81
	Denver	49	1,321	3.71
	Detroit	65	869	7.48
	Ft. Lauderdale	53	395	13.42
	Houston Bush	61	1,093	5.58
	Las Vegas	44	791	5.56
	Los Angeles	53	1,104	4.80
	Miami	36	379	9.50
	Minneapolis-St Paul	32	664	4.82
	New York JFK	150	657	22.83
	New York LaGuardia	193	584	33.05
	Newark	162	671	24.14
	Orlando	88	693	12.70
	Philadelphia	233	506	46.05
	Phoenix	40	1,041	3.84
	Portland	5	283	1.77
	Salt Lake City	20	703	2.84
	San Diego	30	439	6.83
	San Francisco	33	760	4.34
	Seattle	16	496	3.23
	Tampa	56	406	13.79
	Washington Dulles	178	396	44.95
	Washington Reagan	279	463	60.26
2/12
	Atlanta	1,414	2,345	60.30
	Baltimore	29	560	5.18
	Boston	37	662	5.59
	Charlotte	49	676	7.25
	Chicago Midway	17	456	3.73
	Chicago O'Hare	78	1,786	4.37
	Dallas/Ft. Worth	471	1,518	31.03
	Denver	26	1,336	1.95
	Detroit	36	879	4.10
	Ft. Lauderdale	32	406	7.88
	Houston Bush	53	1,097	4.83
	Las Vegas	23	799	2.88
	Los Angeles	29	1,110	2.61
	Miami	27	384	7.03
	Minneapolis-St Paul	35	684	5.12
	New York JFK	9	665	1.35
	New York LaGuardia	49	581	8.43
	Newark	34	668	5.09
	Orlando	38	706	5.38
	Philadelphia	32	508	6.30
	Phoenix	28	1,045	2.68
	Portland	4	284	1.41
	Salt Lake City	13	703	1.85
	San Diego	9	441	2.04
	San Francisco	27	766	3.52
	Seattle	8	503	1.59
	Tampa	26	409	6.36
	Washington Dulles	23	402	5.72
	Washington Reagan	50	464	10.78
2/26
	Atlanta	84	2,349	3.58
	Baltimore	171	560	30.54
	Boston	127	658	19.30
	Charlotte	47	678	6.93
	Chicago Midway	39	456	8.55
	Chicago O'Hare	123	1,790	6.87
	Dallas/Ft. Worth	68	1,518	4.48
	Denver	27	1,337	2.02
	Detroit	114	873	13.06
	Ft. Lauderdale	52	402	12.94
	Houston Bush	47	1,105	4.25
	Las Vegas	28	800	3.50
	Los Angeles	44	1,111	3.96
	Miami	48	384	12.50
	Minneapolis-St Paul	38	686	5.54
	New York JFK	356	665	53.53
	New York LaGuardia	365	582	62.71
	Newark	520	672	77.38
	Orlando	77	706	10.91
	Philadelphia	133	507	26.23
	Phoenix	21	1,045	2.01
	Portland	2	284	0.70
	Salt Lake City	8	703	1.14
	San Diego	12	441	2.72
	San Francisco	73	766	9.53
	Seattle	10	502	1.99
	Tampa	41	410	10.00
	Washington Dulles	24	403	5.96
	Washington Reagan	157	463	33.91

SOURCE: Bureau of Transportation Statistics, Airline On-Time data.

NOTE: Cancellation data from on-time data reported to BTS by 18 air carriers. Airport data on these tables for 29 airports with 1 percent of domestic scheduled service enplanements. For cancellation data by day for other airports, see Airline On-Time Statistics. For further explanation, see Airline On-Time Performance. A canceled flight was a flight listed in a carrier's computer reservation system during the seven calendar days prior to scheduled departure but not operated.