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(UA) United Airlines 663 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(MCO) Orlando International Airport

Orlando, FL, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
69%
Late
3
6%
Very Late
1
2%
Excessive
7
14%
Cancelled
1
2%
Diverted
4
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
42.6
Standard Deviation
36.9
Min
0
Max
128

UA 663 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 75%
Average Delay Time 42.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 42.6 min
This flight has an average delay of 42.6 minutes with a standard deviation of 36.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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