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(UA) United Airlines 646 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
46%
Late
7
25%
Very Late
4
14%
Excessive
4
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
32.8421052631579
Standard Deviation
26.6
Min
0
Max
114

UA 646 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 46%
Average Delay Time 32.8421052631579 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 32.8421052631579 min
This flight has an average delay of 32.8421052631579 minutes with a standard deviation of 26.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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