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(UA) United Airlines 1578 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(BNA) Nashville International Airport

Nashville, TN, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
91%
Late
1
4%
Very Late
1
4%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
9.272727272727273
Standard Deviation
11.4
Min
0
Max
39

UA 1578 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 91%
Average Delay Time 9.272727272727273 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 9.272727272727273 min
This flight has an average delay of 9.272727272727273 minutes with a standard deviation of 11.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.

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