From the black box to the glass box: Using unsupervised and supervised learning processes to predict user engagement for the airline companies by Hyunsang Son, Jisoo Ahn, Arnold D. Chung, Minette E. Drumwright

“…Rooted in the electronic word-of-mouth (eWOM) perspective, the results of this study indicated that consumer sentiment was positive for United Airlines, Delta Airlines, and Alaska Airlines, whereas it was negative for Southwest Airlines and Hawaiian Airlines. …”
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Environmental Efficiency Analysis Of Global Airlines by Yakath Ali, Nurul Syuhadah

“…Moreover, British Airways and Lufthansa were the top two environmentally efficient airlines, while Alaska Airlines and Air Moldova were the bottom two…”
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