UA3661 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA3661, which currently operates between the airports of Louisville - Louisville Muhammad Ali International Airport (Airport Code SDF) and Newark - Newark Liberty International Airport (Airport Code EWR).
This flight data pertains specifically to the flight's details for Thursday, May 21, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA3661
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA3661
UA3661 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
UA3661 United Airlines from Louisville
En Route - On-time
Flight Status for Thursday May 21, 2026
This flight is also scheduled for Tomorrow (May 22, 2026). See it here
En Route - On-time
Flight Status for Thursday May 21, 2026
Airline information
United Airlines
Equipment: Embraer 175 (Enhanced Winglets)
Departure
Louisville (SDF)
May 21, 2026
Louisville Muhammad Ali International Airport
Departed at:
01:00 pm
Terminal:
-
Gate:
A11
Scheduled Departure Time: 01:05 pm
Arrival
Newark (EWR)
May 21, 2026
Newark Liberty International Airport
Estimated Arrival Time:
03:02 pm
Terminal:
C
Gate:
C107
Scheduled Arrival Time: 03:28 pm
Baggage: 8
Disclaimer
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Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC3166 - Air Canada
- LH7892 - Lufthansa
Additional Information
Which is the frequency of flight UA3661?
The flight UA3661 is currently not scheduled at Newark Airport.
Which is the distance of flight UA3661?
The distance between the two airports is 640 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA3661 is currently not scheduled at Newark Airport.
Which is the distance of flight UA3661?
The distance between the two airports is 640 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 airlines serves the same route between Louisville and Newark:
UPS
- Flight Number: 5X1070. (On Time performance: 84 - Average Delay: 11 minutes)
- Flight Number: 5X1072. (On Time performance: 46 - Average Delay: 19 minutes)
- Flight Number: 5X1078. (On Time performance: 36 - Average Delay: 27 minutes)
- Flight Number: 5X1084. (On Time performance: 48 - Average Delay: 16 minutes)
- Flight Number: 5X1090. (On Time performance: 88 - Average Delay: 14 minutes)
- Flight Number: 5X1096. (On Time performance: 93 - Average Delay: 7 minutes)
- Flight Number: 5X2076. (On Time performance: 38 - Average Delay: 43 minutes)
- Flight Number: 5X2080. (On Time performance: 39 - Average Delay: 34 minutes)
- Flight Number: 5X5076. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: 5X5088. (On Time performance: 77 - Average Delay: 9 minutes)
United Airlines
- Flight Number: UA3452. (On Time performance: 76 - Average Delay: 10 minutes)
- Flight Number: UA3592. (On Time performance: 100 - Average Delay: 2 minutes)
- Flight Number: UA3594. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: UA3682. (On Time performance: 97 - Average Delay: 2 minutes)
UPS
- Flight Number: 5X1070. (On Time performance: 84 - Average Delay: 11 minutes)
- Flight Number: 5X1072. (On Time performance: 46 - Average Delay: 19 minutes)
- Flight Number: 5X1078. (On Time performance: 36 - Average Delay: 27 minutes)
- Flight Number: 5X1084. (On Time performance: 48 - Average Delay: 16 minutes)
- Flight Number: 5X1090. (On Time performance: 88 - Average Delay: 14 minutes)
- Flight Number: 5X1096. (On Time performance: 93 - Average Delay: 7 minutes)
- Flight Number: 5X2076. (On Time performance: 38 - Average Delay: 43 minutes)
- Flight Number: 5X2080. (On Time performance: 39 - Average Delay: 34 minutes)
- Flight Number: 5X5076. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: 5X5088. (On Time performance: 77 - Average Delay: 9 minutes)
United Airlines
- Flight Number: UA3452. (On Time performance: 76 - Average Delay: 10 minutes)
- Flight Number: UA3592. (On Time performance: 100 - Average Delay: 2 minutes)
- Flight Number: UA3594. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: UA3682. (On Time performance: 97 - Average Delay: 2 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 May 03, 2025 to December 01, 2025. 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.
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 May 03, 2025 to December 01, 2025. 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 UA3661
No flights for UA3661 were scheduled in the past month. The last flight took place on Thursday, May 21, 2026