
(UA) United Airlines 521 On-Time Performance Rating
Date Range:
15-Apr-2025 to 15-Jun-2025
On-Time Performance Chart
(using rounded numbers)
On-Time
2
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
2
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
(BOS) Boston Logan International Airport
Boston, MA, US
(IAD) Washington Dulles International Airport
Dulles, VA, US
4.3 Good
(CLE) Cleveland Hopkins International Airport
Cleveland, OH, US
(IAH) Houston George Bush Intercontinental Airport
Houston, TX, US
3.3 Average