Airport Tips & Quick Reference Guide to John Glenn Columbus Airport (CMH) - Non Official

UA312 United Airlines - Flight Status

Codeshare Flights
The flight AC3547 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA312. Check this page for details about flight UA312.

Below, you can find details about United Airlines flight UA312, which currently operates between the airports of Columbus - John Glenn Columbus International Airport (Airport Code CMH) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Tuesday, August 19, 2025.

UA312 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

UA312 United Airlines to Dulles

Scheduled - On-time
Flight Status for Tuesday August 19, 2025
This flight is also scheduled for Tomorrow (August 20, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737-700 Passenger (Scimitar Winglets)

Departure

Columbus (CMH)
August 19, 2025
John Glenn Columbus International Airport
Estimated Departure Time:
10:35 am
Gate:
B29
Scheduled Departure Time: 10:35 am

Arrival

Dulles (IAD)
August 19, 2025
Washington Dulles International Airport
Estimated Arrival Time:
11:50 am
Terminal:
-
Gate:
C23
Scheduled Arrival Time: 11:50 am
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.columbus-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:

- AC3547 - Air Canada

- AV2228 - Avianca

- CA7315 - Air China

- CM2207 - Copa Airlines

- LH7547 - Lufthansa

Additional Information

Which is the frequency of flight UA312?
The flight UA312 is currently not scheduled at Columbus Airport (CMH).

Which is the distance of flight UA312?
The distance between the two airports is 299 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airline serve the same route between Columbus and Dulles:
United Airlines - Flight Number: UA3428. (On Time performance: 68 - Average Delay: 20 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: 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 UA312

No flights for UA312 were scheduled in the past month. The last flight took place on Tuesday, August 19, 2025