Informational Guide to Boston Logan Airport (BOS) - NON OFFICIAL

UA1857 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA1857, which currently operates between the airports of Boston - Boston Logan International Airport (Airport Code BOS) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Monday, June 02, 2025.

UA1857 On Time performance:
100
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

UA1857 United Airlines to Chicago

Scheduled - On-time
Flight Status for Monday June 02, 2025
This flight was also scheduled for Yesterday (June 01, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

Boston (BOS)
June 02, 2025
Boston Logan International Airport
Estimated Departure Time:
07:45 am
Terminal:
B
Gate:
B29
Scheduled Departure Time: 07:45 am

Arrival

Chicago (ORD)
June 02, 2025
Chicago O'Hare International Airport
Estimated Arrival Time:
09:19 am
Terminal:
1
Gate:
C15
Scheduled Arrival Time: 09:43 am
Baggage: 5
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.boston-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.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- NH7479 - ANA All Nippon Airways

- NZ2084 - Air New Zealand

Additional Information

Which is the frequency of flight UA1857?
The flight UA1857 is scheduled to flight on Monday, Thursday, Friday, Saturday, Sunday on a weekly basis.

Which is the distance of flight UA1857?
The distance between the two airports is 864 miles.

Which is the flight time of flight UA1857?
The scheduled flight time gate to gate is: 02:58 hours.
The real flight time gate to gate on average is: 02:44 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Boston: 2025-06-02 06:50:56
Current Time in Chicago: 2025-06-02 05:50:56

Alternative Flights

The following airlines serves the same route between Boston and Chicago:

American Airlines
- Flight Number: AA1509. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: AA1691. (On Time performance: 65 - Average Delay: 26 minutes)
- Flight Number: AA2320. (On Time performance: 61 - Average Delay: 44 minutes)
- Flight Number: AA2837. (On Time performance: 57 - Average Delay: 35 minutes)
- Flight Number: AA3010. (On Time performance: 76 - Average Delay: 15 minutes)
- Flight Number: AA3309. (On Time performance: 83 - Average Delay: 19 minutes)
- Flight Number: AA4131. (On Time performance: 76 - Average Delay: 21 minutes)
- Flight Number: AA4391.
- Flight Number: AA4442. (On Time performance: 85 - Average Delay: 12 minutes)
- Flight Number: AA4486. (On Time performance: 83 - Average Delay: 8 minutes)

JetBlue
- Flight Number: B6311. (On Time performance: 84 - Average Delay: 11 minutes)
- Flight Number: B6811. (On Time performance: 56 - Average Delay: 37 minutes)

Delta Air Lines
- Flight Number: DL2570. (On Time performance: 82 - Average Delay: 16 minutes)
- Flight Number: DL2646. (On Time performance: 76 - Average Delay: 26 minutes)
- Flight Number: DL2676. (On Time performance: 55 - Average Delay: 85 minutes)
- Flight Number: DL2679. (On Time performance: 78 - Average Delay: 11 minutes)

United Airlines
- Flight Number: UA1015. (On Time performance: 65 - Average Delay: 31 minutes)
- Flight Number: UA1414. (On Time performance: 93 - Average Delay: 2 minutes)
- Flight Number: UA1485. (On Time performance: 94 - Average Delay: 3 minutes)
- Flight Number: UA1504. (On Time performance: 77 - Average Delay: 9 minutes)
- Flight Number: UA1732. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: UA2040. (On Time performance: 75 - Average Delay: 20 minutes)
- Flight Number: UA2229. (On Time performance: 100 - Average Delay: 2 minutes)
- Flight Number: UA278. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: UA345. (On Time performance: 86 - Average Delay: 3 minutes)
- Flight Number: UA378. (On Time performance: 90 - Average Delay: 11 minutes)
- Flight Number: UA445. (On Time performance: 24 - Average Delay: 45 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from May 22, 2025 to May 30, 2025, we have obtained these figures.
Total number of flights: 7
On Time: 7 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 0 minutes.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from May 22, 2025 to May 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights UA1857

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
01 June
07:44 am
Boston (BOS)
09:44 am
Chicago (ORD)
03h 00min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
31 May
07:30 am
Boston (BOS)
09:15 am
Chicago (ORD)
02h 45min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
30 May
07:43 am
Boston (BOS)
09:31 am
Chicago (ORD)
02h 48min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
29 May
07:33 am
Boston (BOS)
09:13 am
Chicago (ORD)
02h 40min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
26 May
07:38 am
Boston (BOS)
09:29 am
Chicago (ORD)
02h 51min
Boeing 737-800
Boeing 737-800
Landed - On-time
Sunday
25 May
07:40 am
Boston (BOS)
09:37 am
Chicago (ORD)
02h 57min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
24 May
07:40 am
Boston (BOS)
09:23 am
Chicago (ORD)
02h 43min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
23 May
07:40 am
Boston (BOS)
09:26 am
Chicago (ORD)
02h 46min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
22 May
07:41 am
Boston (BOS)
09:06 am
Chicago (ORD)
02h 25min
Boeing 737-800
Boeing 737-800
Landed - On-time