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(UA) United Airlines 1639 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(MIA) Miami International Airport

Miami, FL, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
67%
Late
0
0%
Very Late
3
14%
Excessive
3
14%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
59.375
Standard Deviation
70.1
Min
0
Max
224

UA 1639 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 70%
Average Delay Time 59.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. 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
0.3 of 5
Very Poor
Average Delay Time 59.375 min
This flight has an average delay of 59.375 minutes with a standard deviation of 70.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.

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