background

(UA) United Airlines 1247 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(DEN) Denver International Airport

Denver, CO, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
81%
Late
3
5%
Very Late
3
5%
Excessive
5
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
53.27777777777778
Standard Deviation
110.3
Min
0
Max
485

UA 1247 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 82%
Average Delay Time 53.27777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 53.27777777777778 min
This flight has an average delay of 53.27777777777778 minutes with a standard deviation of 110.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.