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(UA) United Airlines 4520 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(TVC) Traverse City Cherry Capital Airport

Traverse City, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
79%
Late
1
2%
Very Late
3
6%
Excessive
6
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
21
Codeshares
47
Average Delay (min.)
61.95238095238095
Standard Deviation
104.7
Min
0
Max
377

UA 4520 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 79%
Average Delay Time 61.95238095238095 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 61.95238095238095 min
This flight has an average delay of 61.95238095238095 minutes with a standard deviation of 104.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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