Informational Guide to Pittsburgh Airport (PIT) - Non Official

UA3643 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA3643, which currently operates between the airports of Chicago - Chicago O'Hare International Airport (Airport Code ORD) and Pittsburgh - Pittsburgh International Airport (Airport Code PIT).
This flight data pertains specifically to the flight's details for Friday, September 12, 2025.

UA3643 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

UA3643 United Airlines from Chicago

Landed - On-time
Flight Status for Friday September 12, 2025
This flight is also scheduled for Today (September 13, 2025). See it here
This flight is also scheduled for Tomorrow (September 14, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Chicago (ORD)
September 12, 2025
Chicago O'Hare International Airport
Departed at:
03:33 pm
Terminal:
1
Gate:
C4
Scheduled Departure Time: 03:35 pm

Arrival

Pittsburgh (PIT)
September 12, 2025
Pittsburgh International Airport
Arrived at:
06:03 pm
Gate:
A10
Scheduled Arrival Time: 06:16 pm
Baggage: P
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.pittsburgh-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:

- AC5334 - Air Canada

Additional Information

Which is the frequency of flight UA3643?
The flight UA3643 is scheduled to flight on daily basis.

Which is the distance of flight UA3643?
The distance between the two airports is 410 miles.

Which is the flight time of flight UA3643?
The scheduled flight time gate to gate is: 01:41 hours.
The real flight time gate to gate on average is: 01:25 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 Chicago: 2025-09-13 22:23:38
Current Time in Pittsburgh: 2025-09-13 23:23:38

Alternative Flights

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

American Airlines
- Flight Number: AA1173. (On Time performance: 63 - Average Delay: 23 minutes)
- Flight Number: AA2902. (On Time performance: 60 - Average Delay: 46 minutes)
- Flight Number: AA3384. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: AA3480. (On Time performance: 85 - Average Delay: 12 minutes)
- Flight Number: AA4365. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: AA4467. (On Time performance: 82 - Average Delay: 12 minutes)
- Flight Number: AA4484. (On Time performance: 75 - Average Delay: 26 minutes)
- Flight Number: AA4527. (On Time performance: 71 - Average Delay: 44 minutes)
- Flight Number: AA4539. (On Time performance: 62 - Average Delay: 33 minutes)
- Flight Number: AA6433. (On Time performance: 100 - Average Delay: 2 minutes)

United Airlines
- Flight Number: UA1082. (On Time performance: 70 - Average Delay: 19 minutes)
- Flight Number: UA1285. (On Time performance: 90 - Average Delay: 4 minutes)
- Flight Number: UA1905. (On Time performance: 66 - Average Delay: 30 minutes)
- Flight Number: UA2251. (On Time performance: 87 - Average Delay: 9 minutes)
- Flight Number: UA3464. (On Time performance: 83 - Average Delay: 17 minutes)
- Flight Number: UA3655. (On Time performance: 88 - Average Delay: 7 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 September 02, 2025 to September 09, 2025, we have obtained these figures.
Total number of flights: 8
On Time: 8 ( 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: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights UA3643

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
12 September
03:33 pm
Chicago (ORD)
06:03 pm
Pittsburgh (PIT)
01h 30min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
11 September
03:32 pm
Chicago (ORD)
05:56 pm
Pittsburgh (PIT)
01h 24min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
10 September
03:29 pm
Chicago (ORD)
05:47 pm
Pittsburgh (PIT)
01h 18min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
09 September
03:36 pm
Chicago (ORD)
06:06 pm
Pittsburgh (PIT)
01h 30min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
08 September
03:30 pm
Chicago (ORD)
05:46 pm
Pittsburgh (PIT)
01h 16min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
07 September
03:35 pm
Chicago (ORD)
06:03 pm
Pittsburgh (PIT)
01h 28min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
06 September
03:27 pm
Chicago (ORD)
05:47 pm
Pittsburgh (PIT)
01h 20min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Friday
05 September
03:32 pm
Chicago (ORD)
05:50 pm
Pittsburgh (PIT)
01h 18min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
04 September
03:33 pm
Chicago (ORD)
06:02 pm
Pittsburgh (PIT)
01h 29min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
03 September
03:34 pm
Chicago (ORD)
06:09 pm
Pittsburgh (PIT)
01h 35min
Embraer 175 (E
Embraer 175 (E
Landed - On-time