background

(UA) United Airlines 499 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
80%
Late
4
7%
Very Late
2
3%
Excessive
4
7%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
27.217391304347824
Standard Deviation
40.2
Min
0
Max
171

UA 499 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 80%
Average Delay Time 27.217391304347824 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 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 84% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 27.217391304347824 min
This flight has an average delay of 27.217391304347824 minutes with a standard deviation of 40.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

Other Stops for UA 499