This could be the case where the airline reuses the same flight number for different routes. AFAIK Southwest does this a lot.
The schedule you see is originally created by the airlines with some days in advance
The schedule you see is originally created by the airlines with some days in advance
United.com says UA 2190 is a Boeing 737-900.
Right now UA 2190 is from Chicago to Palm Springs.
Next week it’s from Houston to San Antonio.