Hard to believe VJM makes that big a difference, but this is a remarkable coincidence if not.
The last time UAL was #1 for cancellations was 28 June,
40 United
36 Pinnacle
32 American Eagle
28 American Airlines
14 Logan Air Limited
13 Southwest
9 Mesa
Then VJM starts,
Originally Posted by CAL OPS
If you are a B737 or B756 Captain or First Officer in IAH, EWR, CLE, or LAX who does a straight pickup of a full trip pairing from open time that originates on June 29, 2012 through July 9, 2012, the pickup will be treated as a “Voluntary Junior Manning” (VJM) event.
Now, 10 July, on top again,
42 United
30 Air Wisconsin
25 SkyWest
24 Pinnacle
24 Southwest
15 American Eagle
Wow.