UA3998 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 UA3998. Check this page for details about flight UA3998.
Below, you can find details about United Airlines flight UA3998, 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 Sunday, September 20, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA3998
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA3998
UA3998 On Time performance:
89
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
UA3998 United Airlines to Dulles
Scheduled - On-time
Flight Status for Sunday September 20, 2026
Scheduled - On-time
Flight Status for Sunday September 20, 2026
Airline information
United Airlines
Equipment: Embraer 175 (Enhanced Winglets)
Departure
Columbus (CMH)
September 20, 2026
John Glenn Columbus International Airport
Estimated Departure Time:
10:30 am
Gate:
-
Scheduled Departure Time: 10:30 am
Arrival
Dulles (IAD)
September 20, 2026
Washington Dulles International Airport
Estimated Arrival Time:
11:55 am
Terminal:
-
Gate:
A1G
Scheduled Arrival Time: 11:55 am
Baggage: 2
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
- CM2207 - Copa Airlines
- LH7589 - Lufthansa
Additional Information
Which is the frequency of flight UA3998?
The flight UA3998 is scheduled to flight on daily basis.
Which is the distance of flight UA3998?
The distance between the two airports is 299 miles.
Which is the flight time of flight UA3998?
The scheduled flight time gate to gate is: 01:25 hours.
The real flight time gate to gate on average is: 01:15 hours.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA3998 is scheduled to flight on daily basis.
Which is the distance of flight UA3998?
The distance between the two airports is 299 miles.
Which is the flight time of flight UA3998?
The scheduled flight time gate to gate is: 01:25 hours.
The real flight time gate to gate on average is: 01:15 hours.
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: UA1273. (On Time performance: 59 - Average Delay: 47 minutes)
United Airlines - Flight Number: UA1273. (On Time performance: 59 - Average Delay: 47 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
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
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from September 08, 2026 to September 16, 2026, we have obtained these figures.
Total number of flights: 9
On Time: 8 ( 89 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 1 ( 11 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 9 minutes.
Total number of flights: 9
On Time: 8 ( 89 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 1 ( 11 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 9 minutes.
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 UA3998
Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
19 September
19 September
10:37 am
Columbus (CMH)
Columbus (CMH)
11:57 am
Dulles (IAD)
Dulles (IAD)
01h 20min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Friday
18 September
18 September
10:17 am
Columbus (CMH)
Columbus (CMH)
11:33 am
Dulles (IAD)
Dulles (IAD)
01h 16min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
17 September
17 September
10:26 am
Columbus (CMH)
Columbus (CMH)
11:38 am
Dulles (IAD)
Dulles (IAD)
01h 12min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
16 September
16 September
10:22 am
Columbus (CMH)
Columbus (CMH)
11:42 am
Dulles (IAD)
Dulles (IAD)
01h 20min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
15 September
15 September
10:24 am
Columbus (CMH)
Columbus (CMH)
11:34 am
Dulles (IAD)
Dulles (IAD)
01h 10min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
14 September
14 September
10:19 am
Columbus (CMH)
Columbus (CMH)
11:44 am
Dulles (IAD)
Dulles (IAD)
01h 25min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
13 September
13 September
10:57 am
Columbus (CMH)
Columbus (CMH)
12:05 pm
Dulles (IAD)
Dulles (IAD)
01h 08min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
12 September
12 September
11:50 am
Columbus (CMH)
Columbus (CMH)
01:04 pm
Dulles (IAD)
Dulles (IAD)
01h 14min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Friday
11 September
11 September
10:28 am
Columbus (CMH)
Columbus (CMH)
11:50 am
Dulles (IAD)
Dulles (IAD)
01h 22min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
10 September
10 September
10:28 am
Columbus (CMH)
Columbus (CMH)
11:37 am
Dulles (IAD)
Dulles (IAD)
01h 09min
Embraer 175 (E
Embraer 175 (E
Landed - On-time