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(UA) United Airlines 2123 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DEN) Denver International Airport

Denver, CO, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
85%
Late
2
3%
Very Late
1
2%
Excessive
5
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
33.80952380952381
Standard Deviation
48.4
Min
0
Max
179

UA 2123 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 86%
Average Delay Time 33.80952380952381 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 33.80952380952381 min
This flight has an average delay of 33.80952380952381 minutes with a standard deviation of 48.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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