I have flown on: Emirates, Etihad, Qatar Airways, Saudia, Syrian Air(only once), Lufthansa, Air France, KLM, British Airways, Virgin Atlantic, Iberia, Alitalia, B.M.I,Easy jet, American AIrlines, United/continental(Most flown on), Jetblue, southwest, NWA/Delta, PAN AM, Allegiant AIr, Skywest, Frontier, Cathay Pacific, Singapore Airlines , Asiana and Alaska Air.
The best are:
1. Qatar AIrways (flown on ORD to DOH and JFK to DOH) Both Exemplary!
2. Etihad (flown on ORD to AUH five times) Simply the best!
3. Cathay Pacific(flown on HKG to LAX, HKG to LHR, HKG to NRT, HKG to ICN)
4. Emirates(flown on LAX to DXB, DFW to DXB, IAH to DXB, JKF to DXB, DXB to KHI, DXB to HKG, DXB to LHR, DXB to CDG, DXB to MAN) Nice comfy seats and pleasant service!
5. Lufthansa/Saudia(flown on DFW to FRA, FRA to MUC, MUC to RUH, ORD to FRA, LAX to FRA, IAD to JED, RUH to CDG, RUH to DXB)
Worst are:
1. American Airlines (WORST never fly them. theirs MD-90/80 and 757s/767s are pathetic. Although American Eagle is good)
2. Syrian Air (Only flew once and it was horrific! DMM to KHI on Boeing 727. I thought it was my last flight :D.
3. United/Continental. Although i have travelled the most on United, Service often its very bad!