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(UA) United Airlines 1578 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
19%
Late
11
23%
Very Late
12
26%
Excessive
12
26%
Cancelled
1
2%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
39
Codeshares
0
Average Delay (min.)
43.256410256410255
Standard Deviation
33.2
Min
0
Max
181

UA 1578 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 20%
Average Delay Time 43.256410256410255 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 20%
This flight has an on-time performance of 20%. 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
1.4 of 5
Poor
Average Delay Time 43.256410256410255 min
This flight has an average delay of 43.256410256410255 minutes with a standard deviation of 33.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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