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(UA) United Airlines 4520 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MLI) Quad Cities International Airport

Moline, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
81%
Late
0
0%
Very Late
2
6%
Excessive
3
9%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
7
Codeshares
32
Average Delay (min.)
47.142857142857146
Standard Deviation
36.4
Min
0
Max
104

UA 4520 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 81%
Average Delay Time 47.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 47.142857142857146 min
This flight has an average delay of 47.142857142857146 minutes with a standard deviation of 36.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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