Informational Guide to Charleston International Airport (CHS) - Non Official

UA434 United Airlines - Flight Status

Codeshare Flights
The flight AC4570 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA434. Check this page for details about flight UA434.

Below, you can find details about United Airlines flight UA434, which currently operates between the airports of Charleston - Charleston International Airport (Airport Code CHS) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Thursday, August 20, 2026.

UA434 On Time performance:
86
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

UA434 United Airlines to Chicago

Landed - On-time
Flight Status for Thursday August 20, 2026

Airline information

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

Departure

Charleston (CHS)
August 20, 2026
Charleston International Airport
Departed at:
06:22 am
Gate:
B1
Scheduled Departure Time: 06:30 am

Arrival

Chicago (ORD)
August 20, 2026
Chicago O'Hare International Airport
Arrived at:
07:44 am
Terminal:
1
Gate:
B11
Scheduled Arrival Time: 08:00 am
Baggage: 9
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.charleston-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:

- AC4570 - Air Canada

- NH7249 - ANA All Nippon Airways

- NZ2150 - Air New Zealand

Additional Information

Which is the frequency of flight UA434?
The flight UA434 is scheduled to flight on daily basis.

Which is the distance of flight UA434?
The distance between the two airports is 762 miles.

Which is the flight time of flight UA434?
The scheduled flight time gate to gate is: 02:30 hours.
The real flight time gate to gate on average is: 02:30 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 Charleston: 2026-08-20 13:14:24
Current Time in Chicago: 2026-08-20 12:14:24

Alternative Flights

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

American Airlines
- Flight Number: AA1105. (On Time performance: 64 - Average Delay: 32 minutes)
- Flight Number: AA2452. (On Time performance: 83 - Average Delay: 20 minutes)
- Flight Number: AA3027. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: AA3266. (On Time performance: 91 - Average Delay: 2 minutes)
- Flight Number: AA3454. (On Time performance: 68 - Average Delay: 26 minutes)
- Flight Number: AA3928. (On Time performance: 18 - Average Delay: 66 minutes)

United Airlines
- Flight Number: UA1842.
- Flight Number: UA2333. (On Time performance: 85 - Average Delay: 10 minutes)
- Flight Number: UA3426. (On Time performance: 62 - Average Delay: 28 minutes)
- Flight Number: UA592. (On Time performance: 83 - Average Delay: 13 minutes)
- Flight Number: UA799. (On Time performance: 40 - Average Delay: 95 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, 2026 to August 15, 2026, we have obtained these figures.
Total number of flights: 74
On Time: 64 ( 86 % )
Moderate Delay: 7 ( 9 % )
Significant Delay: 1 ( 1 % )
Major Delay: 1 ( 1 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 1 % )

Average Delay: 7 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from May 22, 2026 to August 15, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from May 22, 2026 to July 31, 2026. 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 UA434

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
19 August
06:17 am
Charleston (CHS)
07:44 am
Chicago (ORD)
02h 27min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
18 August
06:21 am
Charleston (CHS)
07:32 am
Chicago (ORD)
02h 11min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
17 August
06:23 am
Charleston (CHS)
07:48 am
Chicago (ORD)
02h 25min
Boeing 737-800
Boeing 737-800
Landed - On-time
Sunday
16 August
06:26 am
Charleston (CHS)
07:52 am
Chicago (ORD)
02h 26min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
15 August
06:22 am
Charleston (CHS)
07:41 am
Chicago (ORD)
02h 19min
Boeing 737-800
Boeing 737-800
Landed - On-time
Friday
14 August
06:23 am
Charleston (CHS)
07:44 am
Chicago (ORD)
02h 21min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
13 August
06:15 am
Charleston (CHS)
07:40 am
Chicago (ORD)
02h 25min
Boeing 737-800
Boeing 737-800
Landed - On-time
Wednesday
12 August
06:16 am
Charleston (CHS)
07:55 am
Chicago (ORD)
02h 39min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
11 August
06:36 am
Charleston (CHS)
08:27 am
Chicago (ORD)
02h 51min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Monday
10 August
06:46 am
Charleston (CHS)
08:09 am
Houston (IAH)
02h 23min
Boeing 737-800
Boeing 737-800
Landed - On-time