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(UA) United Airlines 4165 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
70%
Late
3
15%
Very Late
0
0%
Excessive
0
0%
Cancelled
2
10%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
4
Codeshares
19
Average Delay (min.)
19.75
Standard Deviation
6.3
Min
0
Max
27

UA 4165 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 74%
Average Delay Time 19.75 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 56% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 19.75 min
This flight has an average delay of 19.75 minutes with a standard deviation of 6.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.