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(UA) United Airlines 648 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
65%
Late
7
12%
Very Late
4
7%
Excessive
10
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
35
Codeshares
0
Average Delay (min.)
42.57142857142857
Standard Deviation
62.7
Min
0
Max
284

UA 648 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 65%
Average Delay Time 42.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 42.57142857142857 min
This flight has an average delay of 42.57142857142857 minutes with a standard deviation of 62.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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