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(UA) United Airlines 1598 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(DEN) Denver International Airport

Denver, CO, US

(MTJ) Montrose Regional Airport

Montrose, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
86%
Late
0
0%
Very Late
1
3%
Excessive
3
8%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
39.625
Standard Deviation
47.4
Min
0
Max
144

UA 1598 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 89%
Average Delay Time 39.625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 39.625 min
This flight has an average delay of 39.625 minutes with a standard deviation of 47.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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