(UA) United Airlines 4639 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(ABQ) Albuquerque International Sunport

Albuquerque, NM, 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.)

34.77777777777778

Standard Deviation

47.7

Min

Max

134

UA 4639 On-Time Performance Details

Overall Rating

3.2 of 5

Average

Percentage On-Time 87%

Average Delay Time 34.77777777777778 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% 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

1.9 of 5

Average

Average Delay Time 34.77777777777778 min

This flight has an average delay of 34.77777777777778 minutes with a standard deviation of 47.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.