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(UA) United Airlines 3556 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
56%
Late
3
7%
Very Late
3
7%
Excessive
6
15%
Cancelled
3
7%
Diverted
3
7%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
15
Codeshares
38
Average Delay (min.)
43.13333333333333
Standard Deviation
33.7
Min
0
Max
129

UA 3556 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 61%
Average Delay Time 43.13333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 43.13333333333333 min
This flight has an average delay of 43.13333333333333 minutes with a standard deviation of 33.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

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