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(UA) United Airlines 4425 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
66%
Late
3
9%
Very Late
1
3%
Excessive
5
14%
Cancelled
3
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
12
Codeshares
35
Average Delay (min.)
69.08333333333333
Standard Deviation
84.7
Min
0
Max
277

UA 4425 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 66%
Average Delay Time 69.08333333333333 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 66%
This flight has an on-time performance of 66%. 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 69.08333333333333 min
This flight has an average delay of 69.08333333333333 minutes with a standard deviation of 84.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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