UA1227 United Airlines - Flight Status

Which is the frequency of flight UA1227?
The flight UA1227 is scheduled to flight on daily basis.

Which is the distance of flight UA1227?
The distance between the two airports is 551 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

The following airlines serves the same route between San Francisco and Portland:

Alaska Airlines
- Flight Number: AS1302. (On Time performance: 58 - Average Delay: 25 minutes)
- Flight Number: AS1410. (On Time performance: 99 - Average Delay: 1 minutes)
- Flight Number: AS1411. (On Time performance: 87 - Average Delay: 18 minutes)
- Flight Number: AS2023. (On Time performance: 32 - Average Delay: 50 minutes)
- Flight Number: AS235. (On Time performance: 40 - Average Delay: 29 minutes)
- Flight Number: AS525. (On Time performance: 66 - Average Delay: 19 minutes)

United Airlines
- Flight Number: UA1812. (On Time performance: 50 - Average Delay: 30 minutes)
- Flight Number: UA2262. (On Time performance: 88 - Average Delay: 7 minutes)
- Flight Number: UA2265. (On Time performance: 88 - Average Delay: 7 minutes)
- Flight Number: UA2384. (On Time performance: 74 - Average Delay: 9 minutes)
- Flight Number: UA2413. (On Time performance: 73 - Average Delay: 20 minutes)
- Flight Number: UA2624. (On Time performance: 62 - Average Delay: 27 minutes)
- Flight Number: UA2851. (On Time performance: 65 - Average Delay: 25 minutes)
- Flight Number: UA5586. (On Time performance: 92 - Average Delay: 2 minutes)
- Flight Number: UA5618. (On Time performance: 88 - Average Delay: 10 minutes)
- Flight Number: UA5657. (On Time performance: 88 - Average Delay: 4 minutes)
- Flight Number: UA5777.

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: We have gathered available data from last twelve closed months, spanning from September 25, 2025 to October 24, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.