UA4391 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA4391, which currently operates between the airports of Chicago - Chicago O'Hare International Airport (Airport Code ORD) and Buffalo - Buffalo Niagara International Airport (Airport Code BUF).
This flight data pertains specifically to the flight's details for Sunday, August 18, 2024.

UA4391 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

UA4391 United Airlines to Buffalo

We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.

Airline information

United Airlines
United Airlines

Departure

Chicago (ORD)
August 18, 2024
Chicago O'Hare International Airport

Arrival

Buffalo (BUF)
August 18, 2024
Buffalo Niagara International Airport
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.airport-ohare.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:

- AC3109 - Air Canada

- NH7400 - ANA All Nippon Airways

- NZ2111 - Air New Zealand

Additional Information

Which is the frequency of flight UA4391?
The flight UA4391 is scheduled to flight on daily basis.

Which is the distance of flight UA4391?
The distance between the two airports is 472 miles.

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 Chicago: 2025-02-08 23:52:31
Current Time in Buffalo: 2025-02-09 00:52:31

Alternative Flights

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

American Airlines
- Flight Number: AA3580. (On Time performance: 85 - Average Delay: 28 minutes)
- Flight Number: AA3835. (On Time performance: 68 - Average Delay: 15 minutes)

United Airlines
- Flight Number: UA2663. (On Time performance: 53 - Average Delay: 19 minutes)
- Flight Number: UA3591. (On Time performance: 77 - Average Delay: 9 minutes)
- Flight Number: UA4382. (On Time performance: 74 - Average Delay: 21 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

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 June 27, 2024 to August 18, 2024. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

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

Last Past Flights UA4391

No flights for UA4391 were scheduled in the past month. The last flight took place on Sunday, August 18, 2024