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London to Calgary
The following tables show a breakdown of airline punctuality for scheduled flights between the five London airports and Calgary 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
1Air Canada    10.5377.301.950.56718
2British Airways    16.0473.224.510.82732
3Air Transat       27.8961.1113.891.85108
4WestJet        56.1432.4129.667.59290
 ROUTE AVERAGE20.8867.698.011.841,848

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Air Transat      7.6881.250.890.00112
2British Airways    9.0680.552.330.00730
3Air Canada    24.1066.827.222.03886
 ROUTE AVERAGE16.6873.554.751.041,728

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1British Airways    18.4070.295.910.69727
2Air Transat    21.9572.294.822.41166
3Air Canada    22.4365.345.991.57701
 ROUTE AVERAGE20.5468.325.831.251,594

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Air Canada    13.6072.543.740.69721
2Air Transat    14.4377.397.041.01199
3British Airways    15.1273.155.890.68730
 ROUTE AVERAGE14.3773.395.090.731,650

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Air Transat    16.0575.616.830.49205
2Air Canada    18.7168.567.201.39722
3British Airways    20.7977.847.011.26713
 ROUTE AVERAGE19.2873.487.071.221,640

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1British Airways    13.6979.505.360.14727
2Air Transat              17.7166.674.760.0021
3Air Canada    21.9765.838.611.39720
4Thomas Cook Scheduled      23.4473.0410.873.48230
 ROUTE AVERAGE18.5772.677.481.121,698

Operating airportsOperating monthsAverage
delay
(mins)
Operated
within 15
mins (%)
Over
1 hour
late (%)
Over
3 hours
late (%)
Total
flights
analysed
RankAirlineLHRLGWLCYSTNLTNJFMAMJJASOND
1Air Canada    15.6870.084.890.56899
2British Airways    19.0874.704.881.18676
3Thomas Cook Scheduled    33.2963.1619.743.95228
 ROUTE AVERAGE19.1870.946.771.221,803


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 Air Transat *         5.38 87.50 0.00 0.00 8
2 British Airways         14.56 78.27 5.36 0.69 727
3 Air Canada         15.75 69.70 5.49 0.44 911
4 Thomas Cook Airlines         28.35 66.15 15.38 4.10 195
  AVERAGE ALL 4 AIRLINES > > > 16.57 72.79 6.46 0.92 1,841
* - Air Transat operated LGW-YYC during January and November 2009 only


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 Air Canada         19.32 62.21 5.33 0.80 995
2 British Airways         21.63 62.24 6.78 0.88 678
3 Air Transat ^         24.83 52.38 9.52 0.00 42
4 Thomas Cook Airlines ^^         35.46 51.03 16.55 3.45 145
5 Zoom Airlines *         44.22 53.62 15.94 3.62 138
  AVERAGE ALL 5 AIRLINES > > > 23.11 60.61 7.46 1.20 1,998
^ - Air Transat commenced LGW-YYC during May 2008
^^ - Thomas Cook Airlines operated LGW-YYC between May and October 2008
* - Zoom Airlines discontinued LGW-YYC during August 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 Air Canada         17.87 67.75 6.67 0.69 1,020
2 British Airways         20.51 56.38 6.03 0.52 580
3 Air Transat ^         33.37 56.67 16.67 6.67 30
4 Zoom Airlines *         43.85 52.53 18.18 5.05 99
5 Thomas Cook Airlines ^^         91.41 49.04 16.35 9.62 104
  AVERAGE ALL 5 AIRLINES > > > 24.54 62.08 7.80 1.47 1,833
^ - Air Transat operated LGW-YYC between June and October 2007
^^ - Thomas Cook Airlines operated LGW-YYC between April and October 2007
* - Zoom Airlines did not operated LGW-YYC between May and August 2007


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 Air Canada         19.37 62.11 5.84 0.94 1,061
2 British Airways ^         31.05 38.64 9.09 0.00 44
3 Thomas Cook Airlines ^^         39.15 37.63 11.83 5.38 93
4 Zoom Airlines *         40.20 37.78 15.56 4.44 45
  AVERAGE ALL 4 AIRLINES > > > 22.02 58.57 6.76 1.37 1,243
^ - British Airways commenced LHR-YYC during December 2006
^^ - Thomas Cook Airlines operated LGW-YYC between May and October 2006
* - Zoom Airlines did not operated LGW-YYC between May and November 2006


 
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