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(UA) United Airlines 661 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(EWR) Newark Liberty International Airport

Newark, NJ, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
57%
Late
3
21%
Very Late
1
7%
Excessive
2
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
49.5
Standard Deviation
53.7
Min
0
Max
153

UA 661 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 57%
Average Delay Time 49.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. 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
1.4 of 5
Poor
Average Delay Time 49.5 min
This flight has an average delay of 49.5 minutes with a standard deviation of 53.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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