Narrative:

I feel compelled to write a safety report regarding this schedule. Yesterday; I arrived in sfo at XI18 local; thus; an XA30 PST wake-up. Today; I have a departure of XW15 PST for an all-night leg to ZZZ. This type of schedule implies a complete disregard to circadian rhythms and it has a high potential for fatigue. It is incredibly difficult to switch from an early east coast departure on one day; to a 'red-eye' the next. The airlines should not be scheduling trips of that nature in such close proximity. I believe that this type of scheduling is the greatest threat to our safety in this airline.

Related reports:

Google
 

Original NASA ASRS Text

Title: ACR CAPT RPTED THAT HIS AIRLINE IS SCHEDULING A320 FLT CREWS FOR FLYING WITHOUT REGARD FOR CIRCADIAN RHYTHM.

Narrative: I FEEL COMPELLED TO WRITE A SAFETY RPT REGARDING THIS SCHEDULE. YESTERDAY; I ARRIVED IN SFO AT XI18 LCL; THUS; AN XA30 PST WAKE-UP. TODAY; I HAVE A DEP OF XW15 PST FOR AN ALL-NIGHT LEG TO ZZZ. THIS TYPE OF SCHEDULE IMPLIES A COMPLETE DISREGARD TO CIRCADIAN RHYTHMS AND IT HAS A HIGH POTENTIAL FOR FATIGUE. IT IS INCREDIBLY DIFFICULT TO SWITCH FROM AN EARLY EAST COAST DEP ON ONE DAY; TO A 'RED-EYE' THE NEXT. THE AIRLINES SHOULD NOT BE SCHEDULING TRIPS OF THAT NATURE IN SUCH CLOSE PROX. I BELIEVE THAT THIS TYPE OF SCHEDULING IS THE GREATEST THREAT TO OUR SAFETY IN THIS AIRLINE.

Data retrieved from NASA's ASRS site as of May 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.