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(UA) United Airlines 3647 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
68%
Late
2
8%
Very Late
1
4%
Excessive
4
16%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
11
Codeshares
24
Average Delay (min.)
49.90909090909091
Standard Deviation
70.3
Min
0
Max
244

UA 3647 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 71%
Average Delay Time 49.90909090909091 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
1.2 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 49.90909090909091 min
This flight has an average delay of 49.90909090909091 minutes with a standard deviation of 70.3 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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