UA 1857 Boston to Chicago Flight Status

United Airlines Flight UA1857 from Boston Logan International Airport BOS to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on July 31st, 2025.
Check the table below for UA1857's most recent flight history:

UA 1857 Flight Status & Schedule

Date Departure Arrival Status
Jul 31 07:57 09:20
Landed
Track >
Jul 28 08:06 09:06
Landed
Track >
Jul 27 08:06 09:15
Landed
Track >
Jul 26 07:47 08:57
Landed
Track >
Jul 25 08:00 09:07
Landed
Track >

United Airlines UA 1857 Boston to Chicago Flight Information

United Airlines Flight UA1857 connects Boston, United States to Chicago, United States, taking off from Boston Logan International Airport BOS and landing at Chicago O'Hare International Airport ORD.

How long is the UA1857 flight from Boston to Chicago?

The average flight time from Boston to Chicago is 2 hours and 12 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 630 km/h / 392 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1857 Boston to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA1857 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA1857 arriving at?

Flight UA1857 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.

When was the latest UA1857 flight?

The latest flight took off on Thursday, July 31st, 2025 with the flight status being Landed on 09:20.

How else can the flight UA1857 be referenced as?

This United Airlines flight can also be referenced as UAL1857, UA 1857, UAL 1857.

How often is flight UA1857 delayed?

On average, 0% of all UA1857 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA1857 flight or baggage issues?

If your UA1857 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 UA1857 Flight Tracker above for more details.

UA1857 and Boston BOS to Chicago ORD Flights

Flight UA1857 is code-shared by 2 airlines using the flight numbers NH7479, NZ2084

Other flights departing from Boston BOS: DL5814, WN2174, AA4777, UA546

Other flights arriving at Chicago ORD: AA3249, UA1909, UA2668, UA5265

All flights connecting Boston BOS to Chicago ORD.

UA1857 United Airlines Flight: Boston to Chicago Route Map

UA1857 United Airlines Flight Map: Boston to Chicago
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.