Often, carriers within the same alliance do not publish schedule cancellations simultaneously. Also, data processing might take different amounts of time to display in our database. This could result in having sailings within the same service pool marked differently, even though it is physically the same vessel. When this happens, it is because project44 has detected no schedule or a blank sailing for one of the carriers within the service pool, and it is likely that the same information will follow later for the other involved carriers.