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(UA) United Airlines 4789 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(MLI) Quad Cities International Airport

Moline, IL, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
65%
Late
4
20%
Very Late
1
5%
Excessive
2
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
14
Codeshares
20
Average Delay (min.)
31.785714285714285
Standard Deviation
48
Min
0
Max
186

UA 4789 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 65%
Average Delay Time 31.785714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 31.785714285714285 min
This flight has an average delay of 31.785714285714285 minutes with a standard deviation of 48 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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