UA 3988 Buffalo to Washington Flight Status

United Airlines Flight UA3988 from Buffalo Niagara International Airport BUF to Washington Dulles International Airport IAD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 24th, 2026.
Check the table below for UA3988's most recent flight history:

UA 3988 Flight Status & Schedule

Date Departure Arrival Status
May 24 10:43 11:39
Landed
Track >

United Airlines UA 3988 Buffalo to Washington Flight Information

United Airlines Flight UA3988 connects Buffalo, United States to Washington, United States, taking off from Buffalo Niagara International Airport BUF and landing at Washington Dulles International Airport IAD.

How long is the UA3988 flight from Buffalo to Washington?

The average flight time from Buffalo to Washington is 56 minutes. The flight distance is 457 km / 284 miles and the average flight speed is 489 km/h / 304 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3988 Buffalo to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA3988 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA3988 flight?

The latest flight took off on Sunday, May 24th, 2026 with the flight status being Landed on 11:39.

How else can the flight UA3988 be referenced as?

This United Airlines flight can also be referenced as UAL3988, UA 3988, UAL 3988.

How often is flight UA3988 delayed?

On average, 0% of all UA3988 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA3988 flight or baggage issues?

If your UA3988 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 UA3988 Flight Tracker above for more details.

UA3988 and Buffalo BUF to Washington IAD Flights

Flight UA3988 is code-shared by 3 airlines using the flight numbers AV2043, CM2149, LH7699

Other flights departing from Buffalo BUF: DL5223, UA3527, UA4690, AA4666

Other flights arriving at Washington IAD: UA311, UA6169, UA4353, UA3500

All flights connecting Buffalo BUF to Washington IAD.

UA3988 United Airlines Flight: Buffalo 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.