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(UA) United Airlines 1821 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
54%
Late
6
9%
Very Late
3
5%
Excessive
11
17%
Cancelled
6
9%
Diverted
4
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
62.03333333333333
Standard Deviation
84.3
Min
0
Max
395

UA 1821 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 57%
Average Delay Time 62.03333333333333 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 57%
This flight has an on-time performance of 57%. 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 62.03333333333333 min
This flight has an average delay of 62.03333333333333 minutes with a standard deviation of 84.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.