How punctual is San Francisco International Airport?
Based on 9 days of actual departures against their scheduled times.
72%
Left within 15 minutes
19
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
- 14:00 AM0 min
- 25:00 AM1 min
- 31:00 AM3 min
- 4midnight5 min
- 52:00 AM7 min
Runs latest
Average delay by scheduled departure hour
- 13:00 AM90 min
- 211:00 AM35 min
- 33:00 PM29 min
- 49:00 PM27 min
- 51:00 PM26 min
Airlines
Most flights
By number of departures
- 1United1,976
- 2Alaska406
- 3Delta322
- 4American Airlines284
- 5Southwest225
Most punctual
Lowest average delay
- 1LN0 min
- 21I0 min
- 3OO0 min
- 4BR1 min
- 5CI1 min
Runs latest
Highest average delay
- 1WS48 min
- 2Lufthansa34 min
- 3F933 min
- 4MX33 min
- 5American Airlines32 min
Destinations
Runs latest
Highest average delay
- 1French Polynesia31 min
- 2Netherlands23 min
- 3France22 min
- 4Panama21 min
- 5Japan21 min
Departures by hour
The heaviest hour is 10:00 AM, with 421 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.
17/8
21/8
25/8
Under 15 min
15–30 min
30–45 min
45–70 min
Over 70 min
By day of week
1
Tuesday
967 departures · 13 min average delay
2
Thursday
656 departures · 25 min average delay
3
Friday
652 departures · 22 min average delay
4
Monday
648 departures · 21 min average delay
5
Sunday
644 departures · 19 min average delay
6
Saturday
542 departures · 16 min average delay
7
Wednesday
5 departures · 229 min average delay
Measured
Unlike the crowding estimate, these are real recorded departure times, not a model.