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(UA) United Airlines 1577 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(PIT) Pittsburgh International Airport

Pittsburgh, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
56%
Late
4
22%
Very Late
1
6%
Excessive
3
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
32.54545454545455
Standard Deviation
28.7
Min
0
Max
105

UA 1577 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 56%
Average Delay Time 32.54545454545455 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 32.54545454545455 min
This flight has an average delay of 32.54545454545455 minutes with a standard deviation of 28.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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