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(UA) United Airlines 4421 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(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
28
67%
Late
5
12%
Very Late
0
0%
Excessive
6
14%
Cancelled
2
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
17
Codeshares
41
Average Delay (min.)
80.88235294117646
Standard Deviation
113.4
Min
0
Max
354

UA 4421 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 68%
Average Delay Time 80.88235294117646 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 80.88235294117646 min
This flight has an average delay of 80.88235294117646 minutes with a standard deviation of 113.4 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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