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London to San Francisco
The following tables show a breakdown of airline punctuality for scheduled flights between six London airports and San Francisco 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
RankAirlineLHRLGWLCYSTNLTNSENJFMAMJJASOND
1Virgin Atlantic Airways              9.3181.552.270.32309
2British Airways              12.9872.223.060.28360
3United Airlines              13.9383.015.852.23359
 ROUTE AVERAGE12.2178.793.790.971,028

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Virgin Atlantic Airways    10.0781.563.580.541,285
2British Airways    15.2975.023.920.961,453
3United Airlines    16.3478.926.381.861,238
 ROUTE AVERAGE13.9378.354.581.113,976

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1United Airlines    8.5185.882.860.271,119
2Virgin Atlantic Airways    12.2277.273.940.641,091
3British Airways    16.7870.194.830.901,449
 ROUTE AVERAGE12.8977.103.960.633,659

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1United Airlines    9.1485.623.410.631,113
2Virgin Atlantic Airways    16.2578.555.150.84718
3British Airways    16.8768.745.590.551,449
 ROUTE AVERAGE14.1176.624.760.643,280

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1United Airlines    16.7972.746.730.991,115
2Virgin Atlantic Airways    19.2872.965.490.70710
3British Airways    20.8162.056.821.251,436
 ROUTE AVERAGE19.1068.086.501.043,261

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Virgin Atlantic Airways    13.7276.836.620.68876
2United / Continental    18.6770.667.890.981,128
3British Airways    21.9664.907.542.261,419
 ROUTE AVERAGE18.7769.857.421.433,423

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Virgin Atlantic Airways    11.6880.175.230.55726
2British Airways    13.3672.523.720.411,452
3United Airlines    13.3881.016.880.521,148
 ROUTE AVERAGE13.0077.125.140.483,326

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1United Airlines    14.9179.545.720.891,119
2British Airways    24.4857.468.771.301,380
3Virgin Atlantic Airways    24.7565.8710.862.40709
 ROUTE AVERAGE21.2067.028.171.403,208


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 United Airlines         12.66 84.66 4.11 0.79 1,265
2 British Airways         18.01 69.15 5.42 0.63 1,420
3 Virgin Atlantic         19.09 68.09 8.15 1.38 724
  AVERAGE ALL 3 AIRLINES > > > 16.26 74.68 5.51 0.85 3,409
 


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 United Airlines         17.52 69.45 7.52 0.83 1,450
2 Virgin Atlantic         17.64 67.31 6.87 0.69 728
3 British Airways         23.07 58.13 7.05 0.91 1,433
  AVERAGE ALL 3 AIRLINES > > > 19.74 64.53 7.20 0.83 3,611
 


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 United Airlines         12.88 76.91 4.34 0.48 1,451
2 Virgin Atlantic         18.59 62.23 6.18 1.10 728
3 British Airways         20.12 58.73 5.73 0.62 1,449
  AVERAGE ALL 3 AIRLINES > > > 16.92 66.70 5.26 0.66 3,628
 

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 United Airlines         12.55 75.79 3.98 0.48 1,458
2 British Airways         19.06 61.70 5.75 0.69 1,444
3 Virgin Atlantic         19.90 58.90 5.52 0.83 725
  AVERAGE ALL 3 AIRLINES > > > 16.61 66.80 4.99 0.63 3,627
 

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 United Airlines         7.29 86.06 1.59 0.20 1,506
2 Virgin Atlantic         15.29 65.11 3.30 0.27 728
3 British Airways         17.67 71.27 5.16 0.77 1,434
  AVERAGE ALL 3 AIRLINES > > > 12.93 76.12 3.33 0.44 3,668
 

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 United Airlines         11.14 81.44 3.01 0.34 1,460
2 British Airways         16.88 70.01 5.81 0.76 1,447
3 Virgin Atlantic         22.67 54.38 5.34 1.10 730
  AVERAGE ALL 3 AIRLINES > > > 15.74 71.46 4.59 0.66 3,637
 

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 United Airlines         6.64 88.61 1.42 0.28 1,413
2 Virgin Atlantic         15.88 64.92 3.73 0.55 724
3 British Airways         17.17 73.63 5.77 1.14 1,403
  AVERAGE ALL 3 AIRLINES > > > 12.71 77.82 3.62 0.68 3,540
 

 
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