(UA) United Airlines 648 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(DEN) Denver International Airport

Denver, CO, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

100%

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.)

Standard Deviation

Min

Max

UA 648 On-Time Performance Details

Overall Rating

3.8 of 5

Good

Percentage On-Time 100%

Average Delay Time 9 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.

On-Time Performance Rating

4.1 of 5

Good

Percentage On-Time 100%

This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 9 min

This flight has an average delay of 9 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.