UA 542 Chicago to San Diego Flight Status

United Airlines Flight UA542 from Chicago O'Hare International Airport ORD to San Diego International Airport SAN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for UA542's most recent flight history:

UA 542 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 07:54 09:31
Landed
Track >
Oct 24 07:40 09:19
Landed
Track >
Oct 23 07:47 09:41
Landed
Track >
Oct 22 07:32 09:43
Landed
Track >
Oct 21 07:42 09:31
Landed
Track >

United Airlines UA 542 Chicago to San Diego Flight Information

United Airlines Flight UA542 connects Chicago, United States to San Diego, United States, taking off from Chicago O'Hare International Airport ORD and landing at San Diego International Airport SAN.

How long is the UA542 flight from Chicago to San Diego?

The average flight time from Chicago to San Diego is 3 hours and 51 minutes. The flight distance is 2768 km / 1720 miles and the average flight speed is 718 km/h / 446 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA542 Chicago to San Diego?

The Airportia On-Time Performance Rating for United Airlines Flight UA542 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA542 arriving at?

Flight UA542 arrives at San Diego International Airport (SAN) Terminal 2.

When was the latest UA542 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 09:31.

How else can the flight UA542 be referenced as?

This United Airlines flight can also be referenced as UAL542, UA0542, UA 542, UAL 542.

How often is flight UA542 delayed?

On average, 40% of all UA542 flights are delayed. The average delay is 7 minutes.

Can I get compensation for my delayed or cancelled UA542 flight or baggage issues?

If your UA542 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 UA542 Flight Tracker above for more details.

UA542 and Chicago ORD to San Diego SAN Flights

Flight UA542 is code-shared by 1 airline using the flight number AC5021

Other flights departing from Chicago ORD: UA2214, UA2333, UA3479, NK1780

Other flights arriving at San Diego SAN: AS145, AS3399, WN3008, WN1461

All flights connecting Chicago ORD to San Diego SAN.

UA542 United Airlines Flight: Chicago to San Diego Route Map

UA542 United Airlines Flight Map: Chicago to San Diego
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.