I’m sorry did I break your concentration from such an informative thread? Here’s your answer. Which airline offers you the soonest class date? Oh they both offered you the same date? Where do you live, or want to live? Anything beyond these two points is irrelevant in that seniority and driving or commuting the least distance will lead to the best career. Arguing over the last year or even 5 is minuscule when considering a 30+ year career somewhere.