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(UA) United Airlines 4678 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(BOI) Boise Air Terminal

Boise, ID, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
82%
Late
7
13%
Very Late
1
2%
Excessive
1
2%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
23
Codeshares
54
Average Delay (min.)
20.956521739130434
Standard Deviation
46
Min
0
Max
229

UA 4678 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 83%
Average Delay Time 20.956521739130434 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 83% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 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 86% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 20.956521739130434 min
This flight has an average delay of 20.956521739130434 minutes with a standard deviation of 46 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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