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UA4959 Flight Information & Schedule

United Airlines · Greenville-Spartanburg International Airport (GSP) to Washington Dulles International Airport (IAD)

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UA4959 Greenville-Spartanburg International Airport to Washington Dulles International Airport nonstop flight: schedule, airports, aircraft and travel guide.

UA4959 Flight Overview

UA4959 is operated by Commuteair DBA United Express and connects Greenville-Spartanburg International Airport (GSP) and Washington Dulles International Airport (IAD). Scheduled departure: 2026-10-29 14:51 (UTC-04:00); scheduled arrival: 2026-10-29 16:27 (UTC-04:00).

AirlineUnited Airlines
Flight numberUA4959
RouteGSP to IAD
Scheduled duration1 hr 36 min

Greenville/Greer/Spartanburg to Dulles Route Information

UA4959 is a nonstop flight from Greenville-Spartanburg International Airport (GSP) to Washington Dulles International Airport (IAD). Use the information below to plan your journey.

Route distanceApprox. 619 km
Scheduled flight time1 hr 36 min
Time difference0 min
Flight typenonstop
01

Departure

Scheduled departure: 2026-10-29 14:51 (UTC-04:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-29 16:27 (UTC-04:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: Greenville/Greer/Spartanburg (UTC-04:00); arrival: Dulles (UTC-04:00).

UA4959 On-time Performance & History

Methodology

73%Arrival on-time rate
Sample flights73 (flights)
Average departure delay47 min
Average arrival delay20 min
Cancllation rate0%
Longest delay-
Early arrivals47%

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

Embraer ERJ-135/145

Economy 31 in

Seat layout50

Business 0 · Economy 50

Business Class-

Seat configuration depends on the operating aircraft

Economy Class1-2

31 in

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

Inflight entertainmentIn-flight entertainment is unavailable

Inflight Wi-FiWi-Fi is unavailable

Availability and fees depend on the flight

PowerBusiness: Power outlets; Economy: No power outlets are available

BassinetAvailable

Accessibility-

UA4959 Airports

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

Greenville-Spartanburg International Airport Departure & Washington Dulles International Airport Arrival Guide

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

GSP

Departing from Greenville-Spartanburg International Airport

UA4959 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

IAD

Arriving at Washington Dulles International Airport

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

 

Planning your arrival

Scheduled arrival: 2026-10-29 16:27. 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 Greenville-Spartanburg 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, andWashington Dulles International Airport’ latest arrival declaration requirements.

What should I check before flying UA4959?

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

UA4959 Frequently Asked Questions

Which airline operates this flight?

UA4959 is operated by United Airlines.

Where does it depart and arrive?

Greenville-Spartanburg International Airport (GSP) → Washington Dulles International Airport (IAD).

What are the departure and arrival times?

Scheduled departure 14:51, arrival 16:27 · 1 hour 36 minutes.

Which terminal is used for check-in?

Departure terminal No data, arrival terminal No data. 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: In-flight entertainment is unavailable.

Explore This Route

Departure airportFlights from Greenville-Spartanburg International Airport
Arrival airportWashington Dulles International Airport information
Operating airlineCommuteair DBA United Express information