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(UA) United Airlines 277 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
79%
Late
1
7%
Very Late
0
0%
Excessive
2
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
158.25
Standard Deviation
256.7
Min
0
Max
541

UA 277 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 79%
Average Delay Time 158.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 158.25 min
This flight has an average delay of 158.25 minutes with a standard deviation of 256.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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