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(UA) United Airlines 4440 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(GSO) Piedmont Triad International Airport

Greensboro/High Point, NC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
74%
Late
2
9%
Very Late
2
9%
Excessive
2
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
9
Codeshares
23
Average Delay (min.)
36
Standard Deviation
40.5
Min
0
Max
135

UA 4440 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 74%
Average Delay Time 36 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 36 min
This flight has an average delay of 36 minutes with a standard deviation of 40.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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