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(UA) United Airlines 3421 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(CLT) Charlotte Douglas International Airport

Charlotte, NC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
81%
Late
1
2%
Very Late
0
0%
Excessive
6
13%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
14
Codeshares
47
Average Delay (min.)
39.57142857142857
Standard Deviation
41.1
Min
0
Max
140

UA 3421 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 83%
Average Delay Time 39.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
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 82% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 39.57142857142857 min
This flight has an average delay of 39.57142857142857 minutes with a standard deviation of 41.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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