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9,092 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 6–7 am 93% arrive on time from BOS
Best single flight AA 2159 BOS 06:00 → DCA 07:44 · 94% on time Avoid B6 1355 BOS 16:03 → DCA 17:48 · 57% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
BOS
95
92
89
87
85
82
80
77
76
71
64
63
51
57
56
69
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55
Washington flights leaving BOS 2–3 pm: 2Close ×
B6 1655 BOS 14:00 DCA 15:43 1h 43m 21 76% 0.0% 28 min
DL 5682flown by Republic BOS 14:20 DCA 16:13 1h 48m 244 69% 4.1% 43 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta (incl. Republic) 3,127 77% 3.7% 62 min
American (incl. Envoy, Republic) 3,337 77% 3.6% 86 min
JetBlue 2,628 69% 4.1% 74 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
AA 2159 BOS 06:00 DCA 07:44 94%
DL 5687flown by Republic BOS 06:00 DCA 07:49 93%
DL 5692flown by Republic BOS 07:25 DCA 09:18 89%
DL 5693flown by Republic BOS 09:15 DCA 11:07 87%
DL 5672flown by Republic BOS 12:35 DCA 14:26 85%
· · ·
DL 5666flown by Republic BOS 20:05 DCA 22:03 59%
B6 1955 BOS 18:12 DCA 19:59 57%
B6 1355 BOS 16:03 DCA 17:48 57%
All 34 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Delta BOS DCA 1h 54m 77% 3.7% 3,127 Flying now
American BOS DCA 1h 48m 77% 3.6% 3,337 Flying now
JetBlue BOS DCA 1h 44m 69% 4.1% 2,628 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON