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(UA) United Airlines 1506 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(DEN) Denver International Airport

Denver, CO, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
31%
Late
22
36%
Very Late
14
23%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
54
Codeshares
0
Average Delay (min.)
28.35185185185185
Standard Deviation
21.8
Min
0
Max
147

UA 1506 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 31%
Average Delay Time 28.35185185185185 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 31%
This flight has an on-time performance of 31%. 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
3.6 of 5
Good
Average Delay Time 28.35185185185185 min
This flight has an average delay of 28.35185185185185 minutes with a standard deviation of 21.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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