For the sake of accuracy. SWAPA published the last up to date contract comparison since they were last to sign.
Using THAT document, and ASSUMING it's accurate.

• Min Duty Rig
  • Southwest: 4:20CH
  • American: 2CH
  • Delta: 2CH
  • United: 2CH
  • FedEx: 3CH
  • UPS: 5:30CH
• Duty Rig
  • Southwest: 1:1.55
  • American: 1:2
  • Delta: 1:2
  • United: 1:2
  • FedEx: 1:2
  • UPS: 1:2
• Night Duty Rig
  • Southwest: 3% override (0100-0500)
  • American: 1:1.5 (2200-0600)
  • Delta: 1:1.5 (2200-0400)
  • United: 1:1.5 (2200-0600)
  • FedEx:
    • 1600-0100 (Nx): 1:1.92
    • 0100-0500 (Critical): 1:1.5
  • UPS: 1:1.5
• TAFB Rig
  • Southwest: 1:3.75
  • American: 1:3.5
  • Delta: 1:3.5
  • United: 1:3.5
  • FedEx: 1:3.75
  • UPS: 1:3.75
• ADG
  • Southwest: 5:39CH
  • American: 5:15CH
  • Delta: 5:15CH
  • United: 5:15CH
  • FedEx: 3CH
  • UPS: 4CH
• Max Scheduled Duty
  • Southwest: 12hrs
  • American: 13hrs
  • Delta: 13, 11.5, 9
  • United: 13, 11.5, 9
  • FedEx: 13, 11.5, and 9
  • UPS: 13hrs, 11hrs, 9.5
• Max Actual Duty
  • Southwest: 13
  • American: FAR 117 (max 14)
  • Delta: FAR 117 (max 14)
  • United: FAR 117 (max 14)
  • FedEx: 15, 13, 10.5
• No revision Pay
  • No comparison in their document, BUT
    • The passenger airlines usually handle this with % overrides, eg 125%, 150% 175%, etc.
    • FedEx does this with "Extra Pay." Section 4.
      • You can argue increases/more/etc, but to say there is no revision pay, is categorically false.