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(UA) United Airlines 4728 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(MBS) MBS International Airport

Saginaw, MI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
78%
Late
2
5%
Very Late
1
3%
Excessive
2
5%
Cancelled
1
3%
Diverted
2
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
5
Codeshares
35
Average Delay (min.)
175.8
Standard Deviation
214.8
Min
0
Max
498

UA 4728 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 83%
Average Delay Time 175.8 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 40% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 175.8 min
This flight has an average delay of 175.8 minutes with a standard deviation of 214.8 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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