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(UA) United Airlines 4390 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(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
11
39%
Late
3
11%
Very Late
5
18%
Excessive
8
29%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
23
Codeshares
28
Average Delay (min.)
80.6086956521739
Standard Deviation
99.9
Min
0
Max
386

UA 4390 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 39%
Average Delay Time 80.6086956521739 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 39%
This flight has an on-time performance of 39%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 80.6086956521739 min
This flight has an average delay of 80.6086956521739 minutes with a standard deviation of 99.9 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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