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(UA) United Airlines 4429 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(CHA) Chattanooga Metropolitan Airport

Chattanooga, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
92%
Late
0
0%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
6
Codeshares
26
Average Delay (min.)
30.166666666666668
Standard Deviation
41.9
Min
0
Max
108

UA 4429 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 92%
Average Delay Time 30.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 30.166666666666668 min
This flight has an average delay of 30.166666666666668 minutes with a standard deviation of 41.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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