UA 6143 San Antonio to Washington Flight Status

United Airlines Flight UA6143 from San Antonio International Airport SAT to Washington Dulles International Airport IAD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on December 13th, 2025.
Check the table below for UA6143's most recent flight history:

UA 6143 Flight Status & Schedule

Date Departure Arrival Status
Dec 13 12:25 16:12
Landed
Track >
Dec 06 12:16 15:54
Landed
Track >

United Airlines UA 6143 San Antonio to Washington Flight Information

United Airlines Flight UA6143 connects San Antonio, United States to Washington, United States, taking off from San Antonio International Airport SAT and landing at Washington Dulles International Airport IAD.

How long is the UA6143 flight from San Antonio to Washington?

The average flight time from San Antonio to Washington is 2 hours and 42 minutes. The flight distance is 2189 km / 1360 miles and the average flight speed is 809 km/h / 503 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA6143 San Antonio to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA6143 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA6143 arriving at?

Flight UA6143 arrives at Washington Dulles International Airport (IAD) Terminal 1.

When was the latest UA6143 flight?

The latest flight took off on Saturday, December 13th, 2025 with the flight status being Landed on 16:12.

How else can the flight UA6143 be referenced as?

This United Airlines flight can also be referenced as UAL6143, UA 6143, UAL 6143.

How often is flight UA6143 delayed?

On average, 0% of all UA6143 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA6143 flight or baggage issues?

If your UA6143 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA6143 Flight Tracker above for more details.

UA6143 and San Antonio SAT to Washington IAD Flights

Flight UA6143 is code-shared by 3 airlines using the flight numbers AC3795, LH8959, SN8976

Other flights departing from San Antonio SAT: DL1312, WN1164, WN2993, WN1730

Other flights arriving at Washington IAD: UA2440, UA1883, UA4232, UA4845

All flights connecting San Antonio SAT to Washington IAD.

UA6143 United Airlines Flight: San Antonio to Washington Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.