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(UA) United Airlines 5559 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(COS) Colorado Springs Airport

Colorado Springs, CO, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
92%
Late
1
4%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
2
Codeshares
25
Average Delay (min.)
50.5
Standard Deviation
40.3
Min
0
Max
79

UA 5559 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 92%
Average Delay Time 50.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 50.5 min
This flight has an average delay of 50.5 minutes with a standard deviation of 40.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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