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Delta Air Lines reported robust financial results for the second quarter of 2025, surpassing analysts’ expectations with earnings per share (EPS) of $2.10 against a forecast of $2.05. The ...

This paper presents super-twisting-like smooth observer design for systems of dimension more than one. The major advantage of the proposed observers is finite-t ...

Stocks turned in a mixed performance on Tuesday, with major indexes wavering between slight gains and losses for much of the session, as investors assessed the latest developments on the global ...

Delta Air Lines is scheduled to release its second-quarter results Thursday, setting the tone for other carriers like United, Southwest, and American, each set to report later this month.