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UA 3420 Greensboro to Chicago Flight Status

United Airlines Flight UA3420 from Greensboro Piedmont Triad International Airport GSO to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 31st, 2026.
Check the table below for UA3420's most recent flight history:

UA 3420 Flight Status & Schedule

Date Departure Arrival Status
May 31 17:49 18:23
Landed
Track >
May 24 18:57 19:32
Landed Late
Track >

United Airlines UA 3420 Greensboro to Chicago Flight Information

United Airlines Flight UA3420 connects Greensboro, United States to Chicago, United States, taking off from Greensboro Piedmont Triad International Airport GSO and landing at Chicago O'Hare International Airport ORD.

How long is the UA3420 flight from Greensboro to Chicago?

The average flight time from Greensboro to Chicago is 1 hour and 34 minutes. The flight distance is 948 km / 589 miles and the average flight speed is 602 km/h / 374 mph.

How many UA3420 flights are operated per week?

1 flight per week. The flight UA3420 is operated on Sunday.

What is the On-Time Performance (OTP) of United Airlines Flight UA3420 Greensboro to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA3420 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3420 arriving at?

Flight UA3420 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.

When was the latest UA3420 flight?

The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 18:23.

How else can the flight UA3420 be referenced as?

This United Airlines flight can also be referenced as UAL3420, UA 3420, UAL 3420.

How often is flight UA3420 delayed?

On average, 50% of all UA3420 flights are delayed. The average delay is 27 minutes.

Can I get compensation for my delayed or cancelled UA3420 flight or baggage issues?

If your UA3420 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 UA3420 Flight Tracker above for more details.

UA3420 and Greensboro GSO to Chicago ORD Flights

Flight UA3420 is code-shared by 3 airlines using the flight numbers AC4007, LH8971, NZ2420

Other flights departing from Greensboro GSO: AA5797, AA5518, AA4421, DL5512

Other flights arriving at Chicago ORD: UA457, UA2040, UA602, UA5350

All flights connecting Greensboro GSO to Chicago ORD.

UA3420 United Airlines Flight: Greensboro to Chicago 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.