Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.
Flight timing & delays
Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.
Times are local to the departure airport of each flight; both directions are combined.
US domestic sectors recorded by BTS
Source: the US BTS · Oct 12, 2024 → Jul 31, 2026
Lowest average delay08:00–09:002.1min · 621 recorded · 621 measured
Gap to highest-delay hour10.9min08:00 ↔ 12:00
Recorded flights3,342HNL–SJC
Departure hour
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
00:0003:0006:0009:0012:0015:0018:0021:00
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Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
13.06.50.0
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
7593800
00:0003:0006:0009:0012:0015:0018:0021:00
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View the figures
Departure hour
On-time departures
Average departure delay
With departure time
Recorded flights
00:00
No observations
—
—
—
01:00
No observations
—
—
—
02:00
No observations
—
—
—
03:00
No observations
—
—
—
04:00
No observations
—
—
—
05:00
No observations
—
—
—
06:00
No observations
—
—
—
07:00
94.3%
2.8 min
758
759
08:00
93.6%
2.1 min
621
621
09:00
95.4%
3.5 min
241
241
10:00
87.7%
4.9 min
268
268
11:00
90.6%
3.2 min
213
213
12:00
77.6%
13.0 min
330
330
13:00
82.7%
8.6 min
340
341
14:00
77.0%
8.8 min
270
270
15:00
Fewer than 200 measured departures
—
97
97
16:00
Fewer than 200 measured departures
—
71
72
17:00
Fewer than 200 measured departures
—
1
1
18:00
Fewer than 200 measured departures
—
128
129
19:00
No observations
—
—
—
20:00
No observations
—
—
—
21:00
No observations
—
—
—
22:00
No observations
—
—
—
23:00
No observations
—
—
—
Day of week
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
MonTueWedThuFriSatSun
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Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
7.63.80.0
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
5012510
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
87.7%
6.8 min
480
481
Tuesday
88.1%
4.7 min
461
462
Wednesday
87.5%
5.2 min
455
455
Thursday
85.0%
6.1 min
474
475
Friday
85.7%
7.6 min
482
482
Saturday
87.8%
6.6 min
501
501
Sunday
86.2%
7.5 min
485
486
Month of year
Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
10.15.00.0
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
3721860
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
90.3%
3.4 min
321
322
Feb
90.7%
5.8 min
280
280
Mar
85.8%
7.0 min
323
323
Apr
89.9%
3.4 min
248
248
May
89.5%
4.7 min
248
248
Jun
82.7%
10.1 min
347
347
Jul
80.9%
9.3 min
371
372
Aug
Fewer than 200 measured departures
—
132
132
Sep
Fewer than 200 measured departures
—
120
120
Oct
87.2%
5.6 min
265
265
Nov
89.3%
3.8 min
327
327
Dec
83.7%
9.2 min
356
358
Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.
Recorded outcomes
On time86.7%2,899
Delayed >15 min13.1%439
Cancelled0.1%4
Missing departure time0.0%0
All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.
On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.
Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.