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 delay07:00–08:00-0.1min · 240 recorded · 239 measured
Gap to highest-delay hour29.2min07:00 ↔ 16:00
Recorded flights2,955BHM–MCO
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
29.114.5-0.1
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
3561780
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
—
94
94
06:00
94.1%
0.2 min
307
307
07:00
96.2%
-0.1 min
239
240
08:00
91.3%
3.0 min
355
356
09:00
Fewer than 200 measured departures
—
158
158
10:00
Fewer than 200 measured departures
—
137
137
11:00
Fewer than 200 measured departures
—
138
138
12:00
Fewer than 200 measured departures
—
52
53
13:00
Fewer than 200 measured departures
—
42
44
14:00
Fewer than 200 measured departures
—
49
50
15:00
Fewer than 200 measured departures
—
80
81
16:00
60.6%
29.1 min
284
284
17:00
67.3%
18.4 min
315
317
18:00
Fewer than 200 measured departures
—
137
137
19:00
60.3%
21.1 min
214
214
20:00
Fewer than 200 measured departures
—
149
152
21:00
Fewer than 200 measured departures
—
134
135
22:00
Fewer than 200 measured departures
—
58
58
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
18.89.40.0
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
4982490
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
74.4%
15.2 min
403
406
Tuesday
85.0%
7.9 min
380
382
Wednesday
80.5%
9.9 min
379
380
Thursday
72.8%
14.0 min
400
401
Friday
75.9%
16.6 min
411
412
Saturday
75.5%
14.2 min
473
476
Sunday
69.6%
18.8 min
496
498
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
23.511.70.0
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
3281640
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
84.8%
7.4 min
256
258
Feb
80.4%
10.4 min
225
226
Mar
68.9%
21.0 min
286
290
Apr
80.9%
9.1 min
309
310
May
74.9%
13.8 min
327
328
Jun
64.4%
22.6 min
278
280
Jul
66.1%
23.5 min
277
278
Aug
Fewer than 200 measured departures
—
89
89
Sep
Fewer than 200 measured departures
—
76
76
Oct
78.9%
9.8 min
256
256
Nov
79.1%
10.6 min
278
279
Dec
79.3%
12.9 min
285
285
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 time75.6%2,233
Delayed >15 min24.0%709
Cancelled0.4%13
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.