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 delay06:00–07:00-1.4min · 367 recorded · 362 measured
Gap to highest-delay hour23.3min06:00 ↔ 21:00
Recorded flights7,016CLT–RSW
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
21.910.3-1.4
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
7743870
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
—
60
60
06:00
95.6%
-1.4 min
362
367
07:00
92.5%
0.9 min
548
557
08:00
92.5%
6.3 min
702
721
09:00
88.1%
9.2 min
236
238
10:00
88.0%
4.4 min
465
469
11:00
85.2%
6.3 min
688
697
12:00
Fewer than 200 measured departures
—
139
143
13:00
75.3%
15.2 min
770
774
14:00
82.9%
10.1 min
292
294
15:00
69.3%
17.1 min
238
242
16:00
69.9%
18.1 min
723
730
17:00
78.3%
10.1 min
331
337
18:00
70.8%
17.1 min
253
258
19:00
75.7%
16.2 min
489
495
20:00
70.7%
16.2 min
215
215
21:00
67.9%
21.9 min
209
220
22:00
Fewer than 200 measured departures
—
195
199
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
15.57.70.0
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
1,0655330
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
79.8%
15.0 min
1,024
1,043
Tuesday
83.2%
8.6 min
927
933
Wednesday
87.7%
4.9 min
939
947
Thursday
83.2%
8.6 min
1,038
1,040
Friday
79.5%
15.5 min
1,024
1,034
Saturday
80.3%
8.5 min
933
954
Sunday
75.7%
15.1 min
1,030
1,065
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
18.99.50.0
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
8484240
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
84.1%
8.5 min
699
742
Feb
86.1%
7.5 min
654
664
Mar
79.4%
14.4 min
820
831
Apr
83.6%
7.3 min
847
848
May
81.9%
11.7 min
708
708
Jun
72.1%
17.4 min
462
476
Jul
67.8%
18.9 min
456
468
Aug
78.5%
16.1 min
233
238
Sep
88.8%
3.0 min
223
223
Oct
83.2%
8.4 min
428
428
Nov
88.0%
4.0 min
652
654
Dec
78.4%
16.0 min
733
736
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 time80.1%5,618
Delayed >15 min18.5%1,297
Cancelled1.4%101
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.