background

(UA) United Airlines 481 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ORF) Norfolk International Airport

Norfolk, VA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
67%
Late
5
9%
Very Late
6
11%
Excessive
5
9%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
36.62068965517241
Standard Deviation
58.2
Min
0
Max
299

UA 481 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 68%
Average Delay Time 36.62068965517241 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 36.62068965517241 min
This flight has an average delay of 36.62068965517241 minutes with a standard deviation of 58.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

Other Stops for UA 481