background

(UA) United Airlines 4381 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
79%
Late
2
3%
Very Late
2
3%
Excessive
7
11%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
17
Codeshares
60
Average Delay (min.)
48.705882352941174
Standard Deviation
60.4
Min
0
Max
247

UA 4381 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 80%
Average Delay Time 48.705882352941174 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 48.705882352941174 min
This flight has an average delay of 48.705882352941174 minutes with a standard deviation of 60.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

Other Stops for UA 4381