
(UA) United Airlines 521 On-Time Performance Rating
Date Range:
01-Mar-2025 to 30-Apr-2025
On-Time Performance Chart
(using rounded numbers)
On-Time
4
100%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%
Delay Statistics
(Aggregate Arrival Delay Statistics for this Flight)
Total Flights Observed
4
Total Delays ( > 1 min )
1
Codeshares
0
Average Delay (min.)
4
Standard Deviation
0
Min
0
Max
4
UA 521 On-Time Performance Details
Other Stops for UA 521
Origin
Destination
Rating
(BOS) Boston Logan International Airport
Boston, MA, US
(EWR) Newark Liberty International Airport
Newark, NJ, US
0 Very Poor
(CLE) Cleveland Hopkins International Airport
Cleveland, OH, US
(IAH) Houston George Bush Intercontinental Airport
Houston, TX, US
3.1 Average
(FLL) Fort Lauderdale-Hollywood International Airport
Fort Lauderdale, FL, US
(SFO) San Francisco International Airport
San Francisco, CA, US
2.2 Average