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 delay06:00–07:000.2min · 339 recorded · 337 measured
Gap to highest-delay hour25.7min06:00 ↔ 20:00
Recorded flights4,054LAS–OMA
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
25.912.90.0
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
5632820
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
Fewer than 200 measured departures
—
170
170
06:00
95.9%
0.2 min
337
339
07:00
93.4%
3.5 min
560
563
08:00
94.4%
1.8 min
284
285
09:00
Fewer than 200 measured departures
—
90
90
10:00
Fewer than 200 measured departures
—
41
41
11:00
Fewer than 200 measured departures
—
148
148
12:00
81.1%
10.0 min
456
457
13:00
80.6%
10.0 min
237
240
14:00
Fewer than 200 measured departures
—
184
185
15:00
Fewer than 200 measured departures
—
190
190
16:00
Fewer than 200 measured departures
—
147
147
17:00
Fewer than 200 measured departures
—
111
111
18:00
65.3%
20.6 min
432
434
19:00
61.5%
21.9 min
322
322
20:00
56.7%
25.9 min
247
250
21:00
Fewer than 200 measured departures
—
74
74
22:00
Fewer than 200 measured departures
—
8
8
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
16.78.30.0
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
7283640
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
79.0%
9.8 min
727
728
Tuesday
81.1%
9.5 min
533
534
Wednesday
81.0%
7.8 min
532
538
Thursday
68.7%
16.7 min
556
556
Friday
77.9%
15.4 min
727
727
Saturday
82.9%
7.0 min
392
394
Sunday
74.8%
12.1 min
571
577
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
17.88.90.0
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
4022010
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
82.7%
11.8 min
387
388
Feb
80.9%
8.7 min
345
345
Mar
75.2%
11.0 min
387
399
Apr
80.7%
7.4 min
389
390
May
76.6%
10.9 min
402
402
Jun
67.8%
17.8 min
388
388
Jul
74.4%
14.2 min
386
388
Aug
Fewer than 200 measured departures
—
170
170
Sep
Fewer than 200 measured departures
—
150
150
Oct
77.7%
8.9 min
292
292
Nov
80.2%
7.8 min
353
353
Dec
79.4%
10.6 min
389
389
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 time77.4%3,137
Delayed >15 min22.2%901
Cancelled0.4%16
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.