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(UA) United Airlines 661 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(SNA) John Wayne Airport

Santa Ana, CA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
78%
Late
4
7%
Very Late
0
0%
Excessive
3
5%
Cancelled
1
2%
Diverted
5
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
51.2
Standard Deviation
112.3
Min
0
Max
458

UA 661 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 86%
Average Delay Time 51.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 51.2 min
This flight has an average delay of 51.2 minutes with a standard deviation of 112.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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