UA40 United Airlines - Flight Status

Codeshare Flights

The flight AC4991 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA40. Check this page for details about flight UA40.

Warning

There is more than one flight with the same flight number on the same day. This is the other flight:

UA40 Newark (EWR) to Newark (EWR) Departure: 17:25 Arrival: 03:20 Check flight

Below, you can find details about United Airlines flight UA40, which currently operates between the airports of Newark - Newark Liberty International Airport (Airport Code EWR) and Rome - Rome Leonardo da Vinci Fiumicino Airport (Airport Code FCO).
This flight data pertains specifically to the flight's details for Thursday, May 21, 2026.

Table of contents:
Flight Status

UA40 On Time performance:

We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA40 United Airlines from Newark

Flight Status for Thursday May 21, 2026

Airline information

United Airlines

Equipment: Boeing 777-300ER

Departure

Newark (EWR)

May 20, 2026

Newark Liberty International Airport

Estimated Departure Time:

20:30

Terminal:

Gate:

C98

Scheduled Departure Time: 17:05

Arrival

Rome (FCO)

May 21, 2026

Rome Leonardo da Vinci Fiumicino Airport

Estimated Arrival Time:

11:24

Terminal:

Gate:

Scheduled Arrival Time: 07:35

Disclaimer

The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.roma-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.