^To add to that Fedex upgraded its OKC ops to a couple widebody 310Fs/300Fs as well last year (replacing three daily 722Fs), I actually snapped a shot of it on the cargo ramp on the east side of the field the other day while heading down to AUS. I have a feeling though that they'll be downgraded to 75s as well once more 752BCFs (Boeing Converted Freighters) come into the fleet, like UPS has now at OKC.

United has been flying the 319s and 320s on a regular basis the past few years, with an Explus CR7 or EMB 170 thrown in by United Express.