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 delay06:00–07:001.3min · 291 recorded · 284 measured
Gap to highest-delay hour19.9min06:00 ↔ 18:00
Recorded flights1,717LGA–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
21.210.60.0
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
2911460
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
91.6%
1.3 min
284
291
07:00
Fewer than 200 measured departures
—
105
108
08:00
Fewer than 200 measured departures
—
131
132
09:00
Fewer than 200 measured departures
—
18
18
10:00
Fewer than 200 measured departures
—
12
12
11:00
Fewer than 200 measured departures
—
131
133
12:00
Fewer than 200 measured departures
—
124
133
13:00
Fewer than 200 measured departures
—
175
176
14:00
Fewer than 200 measured departures
—
122
130
15:00
Fewer than 200 measured departures
—
16
16
16:00
Fewer than 200 measured departures
—
18
19
17:00
79.0%
10.1 min
233
237
18:00
75.4%
21.2 min
232
240
19:00
Fewer than 200 measured departures
—
63
71
20:00
Fewer than 200 measured departures
—
1
1
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
17.58.70.0
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
2701350
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
82.5%
10.2 min
263
270
Tuesday
86.1%
7.9 min
258
267
Wednesday
79.5%
13.8 min
254
266
Thursday
80.6%
12.5 min
258
266
Friday
79.4%
17.5 min
248
254
Saturday
Fewer than 200 measured departures
—
161
163
Sunday
83.4%
8.2 min
223
231
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
6.83.40.0
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
2121060
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
Fewer than 200 measured departures
—
120
124
Feb
Fewer than 200 measured departures
—
109
112
Mar
Fewer than 200 measured departures
—
156
170
Apr
Fewer than 200 measured departures
—
137
137
May
Fewer than 200 measured departures
—
168
171
Jun
Fewer than 200 measured departures
—
155
161
Jul
Fewer than 200 measured departures
—
142
161
Aug
Fewer than 200 measured departures
—
99
102
Sep
Fewer than 200 measured departures
—
7
7
Oct
Fewer than 200 measured departures
—
170
170
Nov
89.2%
6.8 min
212
212
Dec
Fewer than 200 measured departures
—
190
190
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 time79.7%1,369
Delayed >15 min17.2%296
Cancelled3.0%52
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.