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(UA) United Airlines 2166 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
80%
Late
1
10%
Very Late
0
0%
Excessive
1
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
32.333333333333336
Standard Deviation
36.2
Min
0
Max
72

UA 2166 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 80%
Average Delay Time 32.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 32.333333333333336 min
This flight has an average delay of 32.333333333333336 minutes with a standard deviation of 36.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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