UA1851 United Airlines - Flight Status

Which is the frequency of flight UA1851?
The flight UA1851 is scheduled to flight on daily basis.

Which is the distance of flight UA1851?
The distance between the two airports is 1511 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Chicago: 2026-09-17 07:49:14
Current Time in Las Vegas: 2026-09-17 05:49:14

The following airlines serves the same route between Chicago and Las Vegas:

American Airlines
- Flight Number: AA1475. (On Time performance: 64 - Average Delay: 24 minutes)
- Flight Number: AA1497. (On Time performance: 56 - Average Delay: 57 minutes)
- Flight Number: AA1531. (On Time performance: 71 - Average Delay: 23 minutes)
- Flight Number: AA2169.
- Flight Number: AA3292. (On Time performance: 45 - Average Delay: 42 minutes)
- Flight Number: AA3323. (On Time performance: 33 - Average Delay: 41 minutes)

Frontier Airlines
- Flight Number: F92145. (On Time performance: 73 - Average Delay: 57 minutes)
- Flight Number: F93647.

United Airlines
- Flight Number: UA1803. (On Time performance: 77 - Average Delay: 9 minutes)
- Flight Number: UA1813. (On Time performance: 67 - Average Delay: 27 minutes)
- Flight Number: UA1875. (On Time performance: 61 - Average Delay: 31 minutes)
- Flight Number: UA2440. (On Time performance: 78 - Average Delay: 18 minutes)
- Flight Number: UA2811. (On Time performance: 87 - Average Delay: 5 minutes)
- Flight Number: UA574. (On Time performance: 98 - Average Delay: 3 minutes)
- Flight Number: UA704. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: UA777. (On Time performance: 73 - Average Delay: 22 minutes)

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions