FlightAware Discussions

AirlineFlightSchedules - Missing Flight

We are trying to figure out the gaps between flights we can find on the website versus flights returned via the API endpoint AirlineFlightSchedules.

An example of a flight we cannot find via the API is:

Sample endpoint data is

AirlineFlightSchedules?startDate=1581624000&endDate=1581627600&origin=KORD&flightno=772

Which returns:

{
“AirlineFlightSchedulesResult”: {
“next_offset”: -1,
“data”:
}
}

Is this an issue with the Airline not updating their schedule?

The scheduled flight number is 3772 for United, operated by Air Wisconsin. It looks like this flight number is used for two consecutive legs and is occasionally filed as 772 or 772A to disambiguate the legs from an operations standpoint. Unfortunately this kind of filing time decision won’t be visible in advance schedule data.

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