AA4778 PhiladelphiaPHL · 10:34 HoustonIAH · 13:55
AA4778 by American Airlines flies from Philadelphia (PHL) to Houston (IAH) for the Sat, Oct 31 departure.
departs PHL · on schedule
board checked 26m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PHL and IAH are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow on this route
ForecastPhiladelphia to Houston with American Airlines · Sun 1 Nov, local date
- Chance a departure leaves 60+ min late
- 6.5%0.9× usual
Forecast weather: 44% chance of fog at Houston
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Philadelphia to Houston flights today
same route · American AirlinesIf AA4778 is cancelled, these are the other American Airlines nonstop flights from Philadelphia to Houston on the same day, with scheduled departure times in PHL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How AA4778 actually runs
Pro Flight Search has tracked every published board update for AA4778 across the PHL and IAH boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: left right on schedule but landed about 40 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA4778 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: N103HQ.
Board clocks recorded as PHL and IAH published them.
Planning around AA4778? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: AA4778 Philadelphia to Houston on-time performance, measured from the PHL and IAH airport boards.
https://proflightsearch.com/flight/AA4778
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