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(UA) United Airlines 1603 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
80%
Late
7
13%
Very Late
1
2%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
26.272727272727273
Standard Deviation
41.7
Min
0
Max
187

UA 1603 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 80%
Average Delay Time 26.272727272727273 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 26.272727272727273 min
This flight has an average delay of 26.272727272727273 minutes with a standard deviation of 41.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.