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(UA) United Airlines 499 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-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
30
83%
Late
1
3%
Very Late
2
6%
Excessive
3
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
34.90909090909091
Standard Deviation
38.8
Min
0
Max
114

UA 499 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 83%
Average Delay Time 34.90909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. 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
2.1 of 5
Average
Average Delay Time 34.90909090909091 min
This flight has an average delay of 34.90909090909091 minutes with a standard deviation of 38.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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