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 delay20:00–21:00-3.9min · 353 recorded · 352 measured
Gap to highest-delay hour14.8min20:00 ↔ 07:00
Recorded flights2,710LAS–OGG
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
11.03.6-3.9
00:0003:0006:0009:0012:0015:0018:0021:00
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Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
6563280
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
Fewer than 200 measured departures
—
1
1
07:00
86.3%
11.0 min
651
656
08:00
Fewer than 200 measured departures
—
151
152
09:00
85.1%
5.1 min
522
522
10:00
84.2%
8.1 min
374
376
11:00
82.1%
6.6 min
351
351
12:00
Fewer than 200 measured departures
—
68
69
13:00
Fewer than 200 measured departures
—
34
34
14:00
No observations
—
—
—
15:00
Fewer than 200 measured departures
—
69
69
16:00
No observations
—
—
—
17:00
No observations
—
—
—
18:00
No observations
—
—
—
19:00
Fewer than 200 measured departures
—
1
1
20:00
98.0%
-3.9 min
352
353
21:00
Fewer than 200 measured departures
—
125
126
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
7.83.90.0
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
3961980
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
84.9%
6.9 min
385
386
Tuesday
91.3%
7.8 min
380
385
Wednesday
86.2%
4.9 min
383
385
Thursday
84.7%
7.8 min
386
386
Friday
83.6%
7.3 min
385
386
Saturday
87.9%
2.4 min
395
396
Sunday
85.2%
7.5 min
385
386
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
13.36.70.0
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
3081540
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
85.9%
4.4 min
248
248
Feb
85.3%
5.8 min
224
224
Mar
87.9%
6.7 min
306
308
Apr
89.5%
4.3 min
257
257
May
85.1%
9.7 min
248
248
Jun
83.3%
5.6 min
240
240
Jul
82.8%
5.9 min
244
249
Aug
Fewer than 200 measured departures
—
124
124
Sep
Fewer than 200 measured departures
—
120
120
Oct
82.4%
13.3 min
204
204
Nov
91.2%
3.4 min
238
240
Dec
85.4%
10.2 min
246
248
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 time85.9%2,328
Delayed >15 min13.7%371
Cancelled0.4%11
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.