(UA) United Airlines 431 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(BNA) Nashville International Airport

Nashville, TN, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

87%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

55.75

Standard Deviation

83.2

Min

Max

179

UA 431 On-Time Performance Details

Overall Rating

2.8 of 5

Average

Percentage On-Time 87%

Average Delay Time 55.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.

On-Time Performance Rating

4.4 of 5

Good

Percentage On-Time 87%

This flight has an on-time performance of 87%. 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

1.1 of 5

Poor

Average Delay Time 55.75 min

This flight has an average delay of 55.75 minutes with a standard deviation of 83.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.