AA removes it's schedule change advice for minor changes.

[markis10]

Worth checking the day before now more than ever.

American Airlines schedule change parameters for notification of schedule changes involving minor time changes has been discontinued. This modification has reduced our CRS costs related to schedule change activity. It also minimizes the number of schedule change messages transmitted to your agency queues for action.

We do not send a schedule change notification if the departure is 29 minutes or less / later or 15 minutes or less / earlier. We do not send a schedule change notification if the arrival is 30 minutes or less / later or 30 minutes or less / earlier.

http://www.aa.com/i18n/agency/Booking_Ticketing/Booking/schedule_change.jsp

 

[TheInsider]

Would be interesting to know the costs associated with this.

 

[drewbles]

Just another reason to pay a few bucks for a TripIt Pro subscription. You'll get all this done for you as it monitors the flight schedules for the flights in your itineraries. You'll get an SMS and/or an email too. Combined with an iPhone app called Flight Update you'll also get a push message telling you rather than needing to load TripIt (in case you're on wifi and not 3G with an SMS'able number).