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(UA) United Airlines 1851 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(FCA) Glacier Park International Airport

Kalispell, MT, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
17%
Late
0
0%
Very Late
1
17%
Excessive
3
50%
Cancelled
1
17%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
84.5
Standard Deviation
40.4
Min
0
Max
119

UA 1851 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 17%
Average Delay Time 84.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 17%
This flight has an on-time performance of 17%. 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
0.2 of 5
Very Poor
Average Delay Time 84.5 min
This flight has an average delay of 84.5 minutes with a standard deviation of 40.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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