Originally Posted by C11DCA

As others have said training tends to slow down over the summer, but also look at the aircraft delivery schedule. No sense training pilots for aircraft that haven't shown up yet.

For 2020 schedule new aircraft are:

2 777’s (coming early 2020)
15 787’s (spread throughout the year but mostly fall or earlier)

And 28 Max’s (in addition to the 16 that were supposed to be delivered by the end of this year). But who knows when those were actually be able to fly.