background

(UA) United Airlines 4778 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(DEN) Denver International Airport

Denver, CO, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
47%
Late
2
11%
Very Late
3
16%
Excessive
5
26%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
13
Codeshares
19
Average Delay (min.)
99.61538461538461
Standard Deviation
177
Min
0
Max
645

UA 4778 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 47%
Average Delay Time 99.61538461538461 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 47%
This flight has an on-time performance of 47%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 99.61538461538461 min
This flight has an average delay of 99.61538461538461 minutes with a standard deviation of 177 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

Other Stops for UA 4778