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(UA) United Airlines 4434 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(CHA) Chattanooga Metropolitan Airport

Chattanooga, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
56%
Late
3
12%
Very Late
1
4%
Excessive
4
16%
Cancelled
3
12%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
12
Codeshares
25
Average Delay (min.)
37.833333333333336
Standard Deviation
35.6
Min
0
Max
103

UA 4434 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 56%
Average Delay Time 37.833333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 21% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 37.833333333333336 min
This flight has an average delay of 37.833333333333336 minutes with a standard deviation of 35.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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