UK CAA stats are out for April.
https://www.caa.co.uk/uploadedFiles/CAA/Content/Standard_Content/Data_and_analysis/Datasets/Airport_stats/Airport_data_2019_04/Table_12_1_Intl_Air_Pax_Traffic_Route_Analysis.pdfThe MSY-LHR route had an estimated load factor of 82.4% in April. There were 7,758 pax flying on an estimated 9,416 offered seats. Last year, the load factor was 84.6% with 7,600 pax flying on an estimated 8,988 offered seats. Pax count grew by 2.1% year over year.
All seat estimations for MSY, BWI, PIT and CHS are based on 788 seat count. SJC and BNA are based on 789 seat count. There were no cancelled flights for any of the routes in April.
The following breaks down the numbers for each station that sees 788/789 flying exclusively.
Station..........Apr. Seats........Apr. Pax...........Apr. LF.......YTD Seats.......YTD Pax......YTD LF
MSY................9,416................7,758..............82.4%.........36,380............28,773..........79.1%
BWI...............12,840..............11,565..............90.1%.........50,504............39,885..........78.9%
BNA................9,072................7,843..............86.5%.........30,904............22,813..........73.8%
SJC...............12,960..............10,138..............78.2%.........48,816............35,291..........72.3%
CHS................3,424................2,456..............71.7%..........3,424...............2,456..........71.7%
PIT..................7,276................4,798..............65.9%..........7,276...............4,798...........65.9%