(UA) United Airlines 3521 On-Time Performance Rating
No Rating Available
Sorry, this flight does not have an on-time performance rating
Ratings are calculated twice per month and require that the flight has flown a minimum number of times in the past two months in order to accurately judge performance against other flights.
- Carrier: UA
- Flight Number: 3521
- Departure Airport: BUF
- Date Range: 01-Jan-2026 to 28-Feb-2026
Other Stops for UA 3521
Origin
Destination
Rating
(CID) The Eastern Iowa Airport
Cedar Rapids, IA, US
(ORD) Chicago O'Hare International Airport
Chicago, IL, US
2.2 Average
(DTW) Detroit Metropolitan Wayne County Airport
Detroit, MI, US
(IAD) Washington Dulles International Airport
Dulles, VA, US
4.3 Good
(IAD) Washington Dulles International Airport
Dulles, VA, US
(CLE) Cleveland Hopkins International Airport
Cleveland, OH, US
3.1 Average
(IAD) Washington Dulles International Airport
Dulles, VA, US
(DTW) Detroit Metropolitan Wayne County Airport
Detroit, MI, US
1.5 Poor
(MSP) Minneapolis-Saint Paul International Airport
Minneapolis, MN, US
(EWR) Newark Liberty International Airport
Newark, NJ, US
4.3 Good
(ORD) Chicago O'Hare International Airport
Chicago, IL, US
(BDL) Bradley International Airport
Hartford, CT, US
1 Poor