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(UA) United Airlines 4628 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(RNO) Reno-Tahoe International Airport

Reno, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
61%
Late
0
0%
Very Late
2
11%
Excessive
3
17%
Cancelled
2
11%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
9
Codeshares
18
Average Delay (min.)
70.33333333333333
Standard Deviation
93.4
Min
0
Max
277

UA 4628 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 61%
Average Delay Time 70.33333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 70.33333333333333 min
This flight has an average delay of 70.33333333333333 minutes with a standard deviation of 93.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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