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London to Atlanta
The following tables show a breakdown of airline punctuality for scheduled flights between the five London airports and Atlanta for each year, and the year to date for which data is available.

All flights in both directions on the route are counted, by analysing the punctuality of both arrivals and depatures at the London airport(s).
 
  Most Punctual Airline on this Route
Year Airline Avg. Delay
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Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Virgin Atlantic Airways    8.4185.381.840.091,142
2Delta Air Lines    10.3481.783.410.631,438
3British Airways    19.9959.926.340.69726
 ROUTE AVERAGE11.7978.223.510.453,306

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Virgin Atlantic Airways    6.5286.901.770.001,130
2Delta Air Lines    10.5084.923.510.951,366
3British Airways    14.7967.503.750.28720
 ROUTE AVERAGE10.0681.722.950.473,216

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Virgin Atlantic Airways             8.5682.841.490.00134
2Delta Air Lines    11.6081.914.230.761,984
3British Airways    19.2160.586.270.56718
 ROUTE AVERAGE13.3876.554.620.672,836

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Delta Air Lines    9.0586.073.560.601,995
2British Airways    23.2159.756.821.11718
 ROUTE AVERAGE12.8079.104.420.742,713

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Delta Air Lines   12.4679.594.780.811,612
2British Airways    21.8764.497.350.83721
 ROUTE AVERAGE15.3774.925.570.812,333

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1British Airways    13.1972.303.190.42722
2Delta Air Lines   14.9275.115.780.801,748
 ROUTE AVERAGE14.4174.295.020.692,470

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Delta Air Lines   22.0764.679.381.561,472
2British Airways    29.7658.537.802.02692
 ROUTE AVERAGE24.5362.718.871.712,164

2009
  Operating from London Airports Avg. Delay (mins) OTP Within 15 mins (%) 1 hr+ late (%) 3 hrs+ late (%) Total Flights Analysed
Rank Airline LHR LGW LCY STN LTN
1 Delta Air Lines       12.17 79.54 5.72 0.34 1,486
2 British Airways *       15.19 73.33 5.83 1.25 720
  AVERAGE BOTH AIRLINES > > > 13.16 77.52 5.76 0.63 2,206
* - British Airways transferred LGW-ATL flights to LHR during March 2009


2008
  Operating from London Airports Avg. Delay (mins) OTP Within 15 mins (%) 1 hr+ late (%) 3 hrs+ late (%) Total Flights Analysed
Rank Airline LHR LGW LCY STN LTN
1 British Airways         13.13 77.72 4.04 0.70 718
2 Delta Air Lines ^       14.66 74.65 5.54 1.15 2,004
  AVERAGE BOTH AIRLINES > > > 14.26 75.46 5.14 1.03 2,722
^ - Delta Air Lines commenced LHR-ATL during March 2008


2007
  Operating from London Airports Avg. Delay (mins) OTP Within 15 mins (%) 1 hr+ late (%) 3 hrs+ late (%) Total Flights Analysed
Rank Airline LHR LGW LCY STN LTN
1 Delta Air Lines         18.79 68.50 7.82 0.75 1,457
2 British Airways         19.62 62.43 6.56 0.84 716
  AVERAGE BOTH AIRLINES > > > 19.06 66.50 7.41 0.78 2,173
 

2006
  Operating from London Airports Avg. Delay (mins) OTP Within 15 mins (%) 1 hr+ late (%) 3 hrs+ late (%) Total Flights Analysed
Rank Airline LHR LGW LCY STN LTN
1 British Airways         19.74 62.60 6.65 1.11 722
2 Delta Air Lines         24.12 57.99 9.84 1.47 1,971
  AVERAGE BOTH AIRLINES > > > 22.95 59.23 8.99 1.37 2,693
 

2005
  Operating from London Airports Avg. Delay (mins) OTP Within 15 mins (%) 1 hr+ late (%) 3 hrs+ late (%) Total Flights Analysed
Rank Airline LHR LGW LCY STN LTN
1 Delta Air Lines         15.81 70.36 6.24 0.63 2,210
2 British Airways         18.48 60.03 4.01 0.55 723
  AVERAGE BOTH AIRLINES > > > 16.47 67.81 5.69 0.61 2,933
 

2004
  Operating from London Airports Avg. Delay (mins) OTP Within 15 mins (%) 1 hr+ late (%) 3 hrs+ late (%) Total Flights Analysed
Rank Airline LHR LGW LCY STN LTN
1 Delta Air Lines         15.45 71.20 4.71 0.72 2,229
2 British Airways         19.34 71.09 4.01 0.97 723
  AVERAGE BOTH AIRLINES > > > 16.40 71.17 4.54 0.78 2,952
 

2003
  Operating from London Airports Avg. Delay (mins) OTP Within 15 mins (%) 1 hr+ late (%) 3 hrs+ late (%) Total Flights Analysed
Rank Airline LHR LGW LCY STN LTN
1 Delta Air Lines         11.54 78.01 4.16 0.22 1,828
2 British Airways         12.11 78.95 4.43 0.42 722
  AVERAGE BOTH AIRLINES > > > 11.70 78.27 4.24 0.27 2,550
 

 
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