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(UA) United Airlines 661 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(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
22
33%
Late
6
9%
Very Late
6
9%
Excessive
19
29%
Cancelled
7
11%
Diverted
6
9%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
41
Codeshares
0
Average Delay (min.)
62.51219512195122
Standard Deviation
63.5
Min
0
Max
269

UA 661 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 37%
Average Delay Time 62.51219512195122 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 37%
This flight has an on-time performance of 37%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 62.51219512195122 min
This flight has an average delay of 62.51219512195122 minutes with a standard deviation of 63.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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