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(UA) United Airlines 4425 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(ROA) Roanoke-Blacksburg Regional Airport

Roanoke, VA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
67%
Late
1
8%
Very Late
0
0%
Excessive
1
8%
Cancelled
2
17%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
3
Codeshares
12
Average Delay (min.)
76
Standard Deviation
107.4
Min
0
Max
200

UA 4425 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 67%
Average Delay Time 76 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 76 min
This flight has an average delay of 76 minutes with a standard deviation of 107.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

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