AA9978 HarrisburgMDT PhiladelphiaPHL · 14:00
AA9978 by American Airlines flies from Harrisburg (MDT) to Philadelphia (PHL).
scheduled from MDT
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How AA9978 actually runs
Pro Flight Search has tracked every published board update for AA9978 across the MDT and PHL boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed +185 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA9978 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N637AE.
Board clocks recorded as MDT and PHL published them.
Planning around AA9978? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA9978 Harrisburg to Philadelphia on-time performance, measured from the MDT and PHL airport boards.
https://proflightsearch.com/flight/AA9978
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