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(UA) United Airlines 4395 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(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
40
63%
Late
3
5%
Very Late
3
5%
Excessive
14
22%
Cancelled
0
0%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
25
Codeshares
60
Average Delay (min.)
86.12
Standard Deviation
122.8
Min
0
Max
621

UA 4395 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 86.12 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 86.12 min
This flight has an average delay of 86.12 minutes with a standard deviation of 122.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.