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(UA) United Airlines 1997 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
70%
Late
3
15%
Very Late
1
5%
Excessive
1
5%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
28.833333333333332
Standard Deviation
25.4
Min
0
Max
76

UA 1997 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 70%
Average Delay Time 28.833333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 28.833333333333332 min
This flight has an average delay of 28.833333333333332 minutes with a standard deviation of 25.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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