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(UA) United Airlines 1834 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
92%
Late
1
3%
Very Late
1
3%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
46
Standard Deviation
39.7
Min
0
Max
91

UA 1834 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 92%
Average Delay Time 46 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 46 min
This flight has an average delay of 46 minutes with a standard deviation of 39.7 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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