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 delay08:00–09:004.9min · 506 recorded · 505 measured
Gap to highest-delay hour16.2min08:00 ↔ 18:00
Recorded flights2,703CID–PHX
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
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
21.110.60.0
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
6413210
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
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
—
2
2
06:00
Fewer than 200 measured departures
—
4
4
07:00
88.3%
17.6 min
529
540
08:00
89.1%
4.9 min
505
506
09:00
84.7%
6.6 min
241
245
10:00
Fewer than 200 measured departures
—
1
1
11:00
No observations
—
—
—
12:00
No observations
—
—
—
13:00
Fewer than 200 measured departures
—
58
60
14:00
78.1%
20.9 min
636
641
15:00
Fewer than 200 measured departures
—
35
35
16:00
Fewer than 200 measured departures
—
83
84
17:00
Fewer than 200 measured departures
—
31
31
18:00
70.0%
21.1 min
273
276
19:00
76.6%
18.4 min
265
274
20:00
Fewer than 200 measured departures
—
2
2
21:00
Fewer than 200 measured departures
—
1
1
22:00
No observations
—
—
—
23:00
Fewer than 200 measured departures
—
1
1
Day of week
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
MonTueWedThuFriSatSun
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
21.010.50.0
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
3971990
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
82.7%
21.0 min
388
392
Tuesday
83.7%
12.0 min
381
382
Wednesday
84.2%
10.4 min
374
378
Thursday
82.1%
12.1 min
386
389
Friday
79.6%
17.2 min
392
394
Saturday
75.9%
20.2 min
361
371
Sunday
81.3%
16.3 min
385
397
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
28.314.10.0
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
2851430
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
82.5%
21.6 min
280
280
Feb
82.0%
12.9 min
222
222
Mar
75.6%
24.7 min
242
248
Apr
89.6%
7.3 min
240
240
May
79.8%
13.8 min
243
243
Jun
75.3%
28.3 min
239
239
Jul
79.7%
11.7 min
246
246
Aug
Fewer than 200 measured departures
—
122
122
Sep
Fewer than 200 measured departures
—
110
112
Oct
83.7%
9.3 min
202
202
Nov
76.3%
18.7 min
261
264
Dec
82.3%
18.6 min
260
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 time80.3%2,171
Delayed >15 min18.3%496
Cancelled1.3%36
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.