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(UA) United Airlines 3651 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
92%
Late
0
0%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
3
Codeshares
25
Average Delay (min.)
57.333333333333336
Standard Deviation
48.3
Min
0
Max
98

UA 3651 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 92%
Average Delay Time 57.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 60% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. 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
1.2 of 5
Poor
Average Delay Time 57.333333333333336 min
This flight has an average delay of 57.333333333333336 minutes with a standard deviation of 48.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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