background

(UA) United Airlines 1255 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(GEG) Spokane International Airport

Spokane, WA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
84%
Late
2
3%
Very Late
3
5%
Excessive
5
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
56.5
Standard Deviation
64.7
Min
0
Max
186

UA 1255 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 84%
Average Delay Time 56.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 56.5 min
This flight has an average delay of 56.5 minutes with a standard deviation of 64.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.