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(UA) United Airlines 3537 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-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
41
89%
Late
1
2%
Very Late
1
2%
Excessive
3
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
9
Codeshares
46
Average Delay (min.)
36.77777777777778
Standard Deviation
41.3
Min
0
Max
131

UA 3537 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 89%
Average Delay Time 36.77777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 36.77777777777778 min
This flight has an average delay of 36.77777777777778 minutes with a standard deviation of 41.3 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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