Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

CSB405 21 Air - Flight Status

Below, you can find details about 21 Air flight CSB405, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Cincinnati - Cincinnati/Northern Kentucky International Airport (Airport Code CVG).
This flight data pertains specifically to the flight's details for Monday, June 08, 2026.

CSB405 On Time performance:
28
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

CSB405 21 Air to Cincinnati

Scheduled - Delayed
Delay: 16 minutes
Flight Status for Monday June 08, 2026

Airline information

21 Air

Departure

San Francisco (SFO)
June 08, 2026
San Francisco International Airport
Estimated Departure Time:
07:34 pm
Terminal:
-
Gate:
-
Scheduled Departure Time: 07:34 pm

Arrival

Cincinnati (CVG)
June 09, 2026
Cincinnati/Northern Kentucky International Airport
Estimated Arrival Time:
02:44 am
Terminal:
-
Gate:
-
Scheduled Arrival Time: 02:28 am
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-sfo.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Additional Information

Which is the frequency of flight CSB405?
The flight CSB405 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday on a weekly basis.

Which is the distance of flight CSB405?
The distance between the two airports is 2033 miles.

Which is the flight time of flight CSB405?
The scheduled flight time gate to gate is: 03:54 hours.
The real flight time gate to gate on average is: 03:25 hours.

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 San Francisco: 2026-06-08 22:45:06
Current Time in Cincinnati: 2026-06-09 01:45:06

Alternative Flights

The following airline serve the same route between San Francisco and Cincinnati:
Breeze Airways - Flight Number: MX259. (On Time performance: 23 - Average Delay: 53 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from May 04, 2026 to June 05, 2026, we have obtained these figures.
Total number of flights: 25
On Time: 7 ( 28 % )
Moderate Delay: 13 ( 52 % )
Significant Delay: 3 ( 12 % )
Major Delay: 2 ( 8 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 44 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from December 08, 2025 to June 05, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from June 02, 2025 to May 29, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights CSB405

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
06 June
08:00 pm
San Francisco (SFO)
02:53 am
Cincinnati (CVG)
03h 53min
Landed - Delayed
Thursday
04 June
01:30 pm
San Francisco (SFO)
08:27 pm
Cincinnati (CVG)
03h 57min
Landed - Delayed
Thursday
04 June
08:09 pm
San Francisco (SFO)
09:20 pm
San Francisco (SFO)
22h 11min
Landed - On-time
Thursday
04 June
08:09 pm
San Francisco (SFO)
09:20 pm
Cincinnati (CVG)
22h 11min
Landed - On-time
Tuesday
02 June
11:35 am
San Francisco (SFO)
10:45 am
Cincinnati (CVG)
20h 10min
- Delayed
Saturday
30 May
08:07 pm
San Francisco (SFO)
03:07 am
Cincinnati (CVG)
04h 00min
Landed - Delayed
Friday
29 May
08:00 pm
San Francisco (SFO)
03:03 am
Cincinnati (CVG)
04h 03min
Landed - Delayed
Thursday
28 May
08:01 pm
San Francisco (SFO)
03:04 am
Cincinnati (CVG)
04h 03min
Landed - Delayed
Wednesday
27 May
07:59 pm
San Francisco (SFO)
03:01 am
Cincinnati (CVG)
04h 02min
Landed - Delayed
Monday
25 May
06:27 am
San Francisco (SFO)
01:29 pm
Cincinnati (CVG)
04h 02min
Landed - Delayed