
(UA) United Airlines 4559 On-Time Performance Rating
Date Range:
15-Nov-2025 to 15-Jan-2026
On-Time Performance Chart
(using rounded numbers)
On-Time
0
0%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
2
100%
Diverted
0
0%
Delay Statistics
(Aggregate Arrival Delay Statistics for this Flight)
Total Flights Observed
2
Total Delays ( > 1 min )
0
Codeshares
2
Average Delay (min.)
0
Standard Deviation
0
Min
0
Max
0
UA 4559 On-Time Performance Details
Other Stops for UA 4559
Origin
Destination
Rating
(IAD) Washington Dulles International Airport
Dulles, VA, US
(BTV) Patrick Leahy Burlington International Airport
Burlington, VT, US
1.2 Poor
(ORD) Chicago O'Hare International Airport
Chicago, IL, US
(SDF) Louisville Muhammad Ali International Airport
Louisville, KY, US
0.4 Very Poor
(STL) St Louis Lambert International Airport
Saint Louis, MO, US
(ORD) Chicago O'Hare International Airport
Chicago, IL, US
0.4 Very Poor