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(UA) United Airlines 4384 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
91%
Late
1
9%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
2
Codeshares
11
Average Delay (min.)
14.5
Standard Deviation
10.6
Min
0
Max
22

UA 4384 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 91%
Average Delay Time 14.5 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
4.4 of 5
Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 14.5 min
This flight has an average delay of 14.5 minutes with a standard deviation of 10.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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