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(UA) United Airlines 4421 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(SGF) Springfield-Branson National Airport

Springfield, MO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
58
91%
Late
0
0%
Very Late
1
2%
Excessive
2
3%
Cancelled
0
0%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
14
Codeshares
61
Average Delay (min.)
35.142857142857146
Standard Deviation
81.7
Min
0
Max
310

UA 4421 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 95%
Average Delay Time 35.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 35.142857142857146 min
This flight has an average delay of 35.142857142857146 minutes with a standard deviation of 81.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.