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(UA) United Airlines 4549 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
90%
Late
0
0%
Very Late
0
0%
Excessive
1
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
3
Codeshares
10
Average Delay (min.)
69
Standard Deviation
97.9
Min
0
Max
182

UA 4549 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 90%
Average Delay Time 69 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. 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
0.8 of 5
Poor
Average Delay Time 69 min
This flight has an average delay of 69 minutes with a standard deviation of 97.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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