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(UA) United Airlines 4387 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(CID) The Eastern Iowa Airport

Cedar Rapids, IA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
63%
Late
2
4%
Very Late
3
6%
Excessive
14
26%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
24
Codeshares
53
Average Delay (min.)
71.16666666666667
Standard Deviation
57.1
Min
0
Max
188

UA 4387 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 71.16666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 71.16666666666667 min
This flight has an average delay of 71.16666666666667 minutes with a standard deviation of 57.1 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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