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(UA) United Airlines 9850 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(VIE) Vienna International Airport

Vienna, AT

On-Time Performance Chart

(using rounded numbers)
On-Time
40
78%
Late
5
10%
Very Late
2
4%
Excessive
2
4%
Cancelled
2
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
18
Codeshares
51
Average Delay (min.)
20.88888888888889
Standard Deviation
18.4
Min
0
Max
74

UA 9850 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 78%
Average Delay Time 20.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 71% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 20.88888888888889 min
This flight has an average delay of 20.88888888888889 minutes with a standard deviation of 18.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.