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(UA) United Airlines 9728 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ZRH) Zurich Airport

Zurich, CH

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
75%
Late
4
7%
Very Late
1
2%
Excessive
9
15%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
19
Codeshares
59
Average Delay (min.)
58.89473684210526
Standard Deviation
59.4
Min
0
Max
203

UA 9728 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 76%
Average Delay Time 58.89473684210526 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 58.89473684210526 min
This flight has an average delay of 58.89473684210526 minutes with a standard deviation of 59.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.