(UA) United Airlines 494 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

78%

Late

Very Late

Excessive

22%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

53.42857142857143

Standard Deviation

53.5

Min

Max

139

UA 494 On-Time Performance Details

Overall Rating

2.2 of 5

Average

Percentage On-Time 78%

Average Delay Time 53.42857142857143 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.

On-Time Performance Rating

3.5 of 5

Average

Percentage On-Time 78%

This flight has an on-time performance of 78%. 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

0.9 of 5

Poor

Average Delay Time 53.42857142857143 min

This flight has an average delay of 53.42857142857143 minutes with a standard deviation of 53.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.