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(UA) United Airlines 604 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(FSD) Sioux Falls Regional Airport

Sioux Falls, SD, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
60%
Late
1
7%
Very Late
3
20%
Excessive
2
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
145.83333333333334
Standard Deviation
268.6
Min
0
Max
694

UA 604 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 60%
Average Delay Time 145.83333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 145.83333333333334 min
This flight has an average delay of 145.83333333333334 minutes with a standard deviation of 268.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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