The average on-time performance last year was 3 percentage points better than the year before, yet nearly one-quarter of all flights were late.

虽然去年的平均准时表现度比前年提高3%，可是航班晚点依然接近四分之一。

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This has caused market shares to rise for Southwest, however, the abrupt change might have also contributed to its decrease in on-time performance.

这对西南导致市场份额上升，然而，突变也可能导致其准时性能下降。

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They are not going to put on their best performance just after they laid their eggs, because they haven't invested that much time or energy in parenting yet.

它们不会在刚下蛋后就表现出最佳状态，因为它们还没有在养育孩子上投入那么多时间或精力。

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American Airlines, which was last among the nine largest airlines in on-time performance and baggage-handling.

WSJ: An Airline Report Card: Fewer Delays, Hassles Last Year, but Bumpy Times May Be Ahead

For example, in the Operations column, the action steps focus on safety and on-time performance.

FORBES: Communications: Develop Your Flight Plan

He aimed more squarely at business travelers, with better on-time performance coupled with fare boosts.

FORBES: Second act