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(UA) United Airlines 3477 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
78%
Late
0
0%
Very Late
1
3%
Excessive
5
14%
Cancelled
1
3%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
7
Codeshares
35
Average Delay (min.)
70.28571428571429
Standard Deviation
45.4
Min
0
Max
137

UA 3477 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 80%
Average Delay Time 70.28571428571429 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 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 76% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 70.28571428571429 min
This flight has an average delay of 70.28571428571429 minutes with a standard deviation of 45.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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