UCA4257 is a flight number operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and McGhee Tyson Airport (KTYS). SkyMeter last tracked UCA4257 on October 16, 2026. The flight is most often flown by a EMBRAER Embraer ERJ 145 XR. Typical block time is 1h 23m. SkyMeter has observed 63 legs of this flight number via ADS-B.
SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Recent flights
Newest 30 operations of UCA4257