background

(UA) United Airlines 1620 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
74%
Late
9
15%
Very Late
4
7%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
29.466666666666665
Standard Deviation
56.9
Min
0
Max
310

UA 1620 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 74%
Average Delay Time 29.466666666666665 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29.466666666666665 min
This flight has an average delay of 29.466666666666665 minutes with a standard deviation of 56.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.