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(UA) United Airlines 4487 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
76%
Late
0
0%
Very Late
2
6%
Excessive
3
9%
Cancelled
0
0%
Diverted
3
9%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
9
Codeshares
30
Average Delay (min.)
57.333333333333336
Standard Deviation
70.4
Min
0
Max
178

UA 4487 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 83%
Average Delay Time 57.333333333333336 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 52% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 57.333333333333336 min
This flight has an average delay of 57.333333333333336 minutes with a standard deviation of 70.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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