How punctual is London Heathrow Airport?
Based on 7 days of actual departures against their scheduled times.
17%
Left within 15 minutes
31
Average delay (minutes)
Best and worst hours to fly out
Flights scheduled in the early hours leave close to time. Delay builds up through the day as aircraft fall behind, then resets overnight.
Leaves closest to schedule
Average delay by scheduled departure hour
- 1midnight0 min
- 211:00 PM0 min
- 31:00 AM0 min
- 42:00 AM0 min
- 56:00 AM17 min
Runs latest
Average delay by scheduled departure hour
- 13:00 PM38 min
- 24:00 PM38 min
- 35:00 PM37 min
- 46:00 PM36 min
- 52:00 PM34 min
Airlines
Most flights
By number of departures
- 1British Airways2,357
- 2VS225
- 3American Airlines148
- 4United145
- 5EI142
Most punctual
Lowest average delay
- 1QY0 min
- 2ME16 min
- 3JetBlue19 min
- 4SAS21 min
- 5EI21 min
Runs latest
Highest average delay
- 1El Al59 min
- 2MS47 min
- 3Emirates44 min
- 4JU42 min
- 5Qatar Airways41 min
Destinations
Most punctual
Lowest average delay
- 1Lebanon16 min
- 2Luxembourg19 min
- 3Thailand21 min
- 4Oman22 min
- 5Ireland23 min
Departures by hour
The heaviest hour is 9:00 AM, with 318 departures over the period. Bar height is how many flights leave; colour is how late they run.
00:0006:0012:0018:0023:00
Day by day
Each bar is one day. Height is the number of departures; colour is the average delay that day.
19/8
22/8
25/8
Under 15 min
15–30 min
30–45 min
45–70 min
Over 70 min
By day of week
1
Friday
682 departures · 31 min average delay
2
Thursday
681 departures · 36 min average delay
3
Monday
679 departures · 34 min average delay
4
Wednesday
673 departures · 28 min average delay
5
Sunday
671 departures · 32 min average delay
6
Tuesday
669 departures · 30 min average delay
7
Saturday
656 departures · 30 min average delay
Measured
Unlike the crowding estimate, these are real recorded departure times, not a model.