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(UA) United Airlines 1598 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(RAP) Rapid City Regional Airport

Rapid City, SD, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
67%
Late
4
11%
Very Late
2
6%
Excessive
6
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
49.714285714285715
Standard Deviation
104.7
Min
0
Max
492

UA 1598 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 67%
Average Delay Time 49.714285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 49.714285714285715 min
This flight has an average delay of 49.714285714285715 minutes with a standard deviation of 104.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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