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(UA) United Airlines 4170 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-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
13
57%
Late
2
9%
Very Late
0
0%
Excessive
3
13%
Cancelled
5
22%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
8
Codeshares
23
Average Delay (min.)
49.75
Standard Deviation
74.3
Min
0
Max
223

UA 4170 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 56%
Average Delay Time 49.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 9% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 49.75 min
This flight has an average delay of 49.75 minutes with a standard deviation of 74.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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