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UA2021 Flight Information & Schedule

United Airlines · Washington Dulles International Airport (IAD) to Luis Munoz Marin International Airport (SJU)

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UA2021 Washington Dulles International Airport to Luis Munoz Marin International Airport nonstop flight: schedule, airports, aircraft and travel guide.

UA2021 Flight Overview

UA2021 is operated by United Airlines and connects Washington Dulles International Airport (IAD) and Luis Munoz Marin International Airport (SJU). Scheduled departure: 2026-10-29 08:22 (UTC-04:00); scheduled arrival: 2026-10-29 12:15 (UTC-04:00).

AirlineUnited Airlines
Flight numberUA2021
RouteIAD to SJU
Scheduled duration3 hr 53 min

Dulles to San Juan Route Information

UA2021 is a nonstop international flight from Washington Dulles International Airport (IAD) to Luis Munoz Marin International Airport (SJU). Use the information below to plan your journey.

Route distanceApprox. 2,528 km
Scheduled flight time3 hr 53 min
Time difference0 min
Flight typeInternational
01

Departure

Scheduled departure: 2026-10-29 08:22 (UTC-04:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-29 12:15 (UTC-04:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: Dulles (UTC-04:00); arrival: San Juan (UTC-04:00).

UA2021 On-time Performance & History

Methodology

100%Arrival on-time rate
Sample flights100 (flights)
Average departure delay15 min
Average arrival early13 min
Cancllation rate0%
Longest delay-
Early arrivals90%

Historical statistics are for reference only and do not predict future flight performance.

Aircraft, Cabin & Services

Based on currently published aircraft and cabin information; the operating aircraft may change.

Published aircraft type

Boeing 737MAX 8 Passenger

Economy 30 in; Business 37 in

Seat layout166

Business Class2-2

37 in

Seat configuration depends on the operating aircraft

Economy Class3-3

30 in

MealsFree snacks on flights over 300 miles; food and alcohol for purchase in economy

Inflight entertainmentOn-demand entertainment

Inflight Wi-FiWi-Fi is available

Availability and fees depend on the flight

PowerBusiness: Power outlets; Economy: USB port and power outlet

BassinetAvailable

Accessibility-

UA2021 Airports

Terminals follow the published schedule; check official airline channels for same-day gates and operations.

Washington Dulles International Airport Departure & Luis Munoz Marin International Airport Arrival Guide

Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.

IAD

Departing from Washington Dulles International Airport

UA2021 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

SJU

Arriving at Luis Munoz Marin International Airport

Scheduled arrival is at B. After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.

 

Planning your arrival

Scheduled arrival: 2026-10-29 12:15. Use the arrival date when booking hotels and pickup services.

Flight Changes, Cancellations & Missed Flights

If the schedule or aircraft changes, follow the booking channel and operating carrier rules.

01

Schedule changes

After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.

02

Cancellation and changes

Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.

03

Missed flight

If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.

Check-in, Baggage & Entry Tips

International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.

01

Arrive early for check-in

Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Washington Dulles International Airport guidance.

02

Check baggage allowance

Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.

03

Prepare entry documents

Before departure, check passport validity, visa or visa-free eligibility, andLuis Munoz Marin International Airport’ latest arrival declaration requirements.

What should I check before flying UA2021?

01

Check the departure date

For an overnight flight, check the departure date on your ticket and plan airport transport in advance.

02

Confirm the operating carrier

Follow the airline rules shown in your booking for check-in and checked baggage.

03

Check boarding information

Gates and operating times may change; follow airline notices and airport displays.

Popular route recommendations

UA2021 Frequently Asked Questions

Which airline operates this flight?

UA2021 is operated by United Airlines.

Where does it depart and arrive?

Washington Dulles International Airport (IAD) → Luis Munoz Marin International Airport (SJU).

What are the departure and arrival times?

Scheduled departure 08:22, arrival 12:15 · 3 hours 53 minutes.

Which terminal is used for check-in?

Departure terminal No data, arrival terminal B. Check-in, gate and baggage belt are announced on the day.

Are meals and inflight entertainment available?

Meals: Free snacks on flights over 300 miles; food and alcohol for purchase in economy. Inflight entertainment: On-demand entertainment.

Explore This Route

Departure airportFlights from Washington Dulles International Airport
Arrival airportLuis Munoz Marin International Airport information
Operating airlineUnited Airlines information