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 delay07:00–08:00-0.5min · 205 recorded · 205 measured
Gap to highest-delay hour33.8min07:00 ↔ 17:00
Recorded flights5,654DEN–LNK
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
33.316.4-0.5
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
1,2676340
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
88.4%
15.1 min
638
643
07:00
90.7%
-0.5 min
205
205
08:00
Fewer than 200 measured departures
—
30
30
09:00
82.3%
13.9 min
1,173
1,186
10:00
Fewer than 200 measured departures
—
96
98
11:00
80.0%
7.4 min
215
215
12:00
Fewer than 200 measured departures
—
13
13
13:00
84.1%
9.2 min
1,193
1,209
14:00
Fewer than 200 measured departures
—
87
89
15:00
No observations
—
—
—
16:00
Fewer than 200 measured departures
—
22
22
17:00
66.8%
33.3 min
1,250
1,267
18:00
Fewer than 200 measured departures
—
21
22
19:00
No observations
—
—
—
20:00
69.2%
32.5 min
646
655
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
23.211.60.0
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
8184090
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
78.2%
15.6 min
811
816
Tuesday
80.3%
16.3 min
808
815
Wednesday
79.8%
21.3 min
798
813
Thursday
74.9%
23.2 min
802
808
Friday
78.1%
17.1 min
804
818
Saturday
79.7%
19.9 min
765
772
Sunday
76.8%
18.7 min
801
812
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
32.416.20.0
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
6053030
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
75.9%
25.4 min
490
496
Feb
73.5%
29.7 min
442
446
Mar
77.5%
22.5 min
472
496
Apr
78.0%
16.9 min
478
480
May
76.7%
22.5 min
531
531
Jun
76.7%
22.7 min
587
591
Jul
76.7%
13.9 min
602
605
Aug
66.8%
32.4 min
301
303
Sep
86.9%
4.7 min
290
290
Oct
82.0%
9.8 min
451
451
Nov
85.1%
6.4 min
451
469
Dec
83.4%
18.3 min
494
496
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%4,374
Delayed >15 min21.5%1,215
Cancelled1.1%65
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.