Or send the stats to Donald, to add to his collection of Alternative Facts.
Aside from the creative accounting, the headlines accompanying the results suggest that Heathrow may have a less-than-perfect grasp of what's happening on its own runways:
"Air India has climbed an astounding 37 places to place 5th this quarter, in part because of their use of Boeing Dreamliners at Heathrow, an aircraft that has 20-25% fewer C02 [sic] emissions and a smaller noise effect than the airplanes [sic] it replaces"
Well, yes - except that AI has had the same schedule throughout the two quarters being compared (1 x 777, 3 x 787 daily), so their 37-place jump up the table between Q1 and Q2 (in reality a not-quite-so-meteoric 19-place rise to 13th place) can't possibly be attributed to non-existent equipment changes.
In fact the airline hasn't actually improved its ranking at all on any of the noise or emissions metrics (according to Heathrow's own figures).
AI's league table hike is solely attributable to a much better ranking for track-keeping (it was in bottom place for the previous quarter) and a modest improvement for the Night Quota metric - neither of which have anything to do with the aircraft type being used.