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(UA) United Airlines 4603 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(HSV) Huntsville International Airport

Huntsville, AL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
71%
Late
0
0%
Very Late
2
10%
Excessive
4
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
7
Codeshares
21
Average Delay (min.)
126.85714285714286
Standard Deviation
140.2
Min
0
Max
384

UA 4603 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 71%
Average Delay Time 126.85714285714286 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 126.85714285714286 min
This flight has an average delay of 126.85714285714286 minutes with a standard deviation of 140.2 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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