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(UA) United Airlines 661 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
66%
Late
5
8%
Very Late
6
10%
Excessive
9
15%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
37.44827586206897
Standard Deviation
32.6
Min
0
Max
108

UA 661 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 67%
Average Delay Time 37.44827586206897 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
0.0 of 5
Very 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 1% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 37.44827586206897 min
This flight has an average delay of 37.44827586206897 minutes with a standard deviation of 32.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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