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(UA) United Airlines 1603 On-Time Performance Rating

Date Range:

15-Sep-2025 to 15-Nov-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
56%
Late
4
44%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
15
Standard Deviation
9.7
Min
0
Max
29

UA 1603 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 56%
Average Delay Time 15 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 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 5% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 15 min
This flight has an average delay of 15 minutes with a standard deviation of 9.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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