飞行的 UA604 休斯敦机场（休斯顿） – 巴尔的摩机场（巴尔的摩）由United Express 5%次：周一, 周二, 期三, 期四, 期五。
航班時間是3小时 0分钟。
回程航班： 8C3371, F93067, NK1244, NK8890,
所有航班休斯顿 — 巴尔的摩
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