Airport month record
BWINOV
Baltimore/Washington International Thurgood Marshall in November 2025
- Departures
- 7,721
- Month
- November 2025
- National, same month
- 79.4%
- Carriers
- 9
Historical statistics for November 2025, not live status or a forecast for this year’s November. For today’s conditions at BWI, see live FAA status.
BWI in November lands a B, 4 points better than the national rate of 79.4%. About one flight in six arrives 15 minutes late or worse, and those flights are late by about an hour on average. That is a workable record, not a spotless one. That rests on 7,721 flights, of which Delta Air Lines flew 434 at 87.1% on time.
Key figures
On time
82.9%
Arrivals under 15 minutes late, of 7,576 completed departures
Avg delay
62 min
Across delayed arrivals only, not all flights
Cancelled
1.80%
Nationally in November: 2.49%
Whole year
77.6%
BWI across all twelve months
These figures cover 7,721 departures from Baltimore/Washington International Thurgood Marshall in November 2025. On time means an arrival less than 15 minutes after the scheduled gate time, the DOT's threshold, and the national comparison uses every US departure in the same month rather than the whole year.
Against the year
November next to BWI's other months
Against BWI's own year, November ran 5 points better than the twelve-month rate of 77.6%, which makes it number three of twelve months, best first. Either side of it, October ran 81.4% on time and December 70.4%, so a trip moved by a few weeks would have landed in a worse stretch.
| Month | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| July 2025 | 8,922 | 66.2% | 92 min | 3.64% | C− |
| August 2025 | 8,381 | 78.8% | 62 min | 0.76% | B+ |
| September 2025 | 7,968 | 85.5% | 56 min | 0.18% | A+ |
| October 2025 | 8,475 | 81.4% | 49 min | 0.14% | B+ |
| November 2025 (this page) | 7,721 | 82.9% | 62 min | 1.80% | B |
| December 2025 | 7,863 | 70.4% | 54 min | 1.27% | C |
| January 2026 | 6,934 | 82.9% | 53 min | 5.61% | B− |
| February 2026 | 6,552 | 83.1% | 58 min | 3.59% | B− |
| March 2026 | 7,803 | 74.6% | 69 min | 2.58% | C |
| April 2026 | 8,041 | 79.9% | 55 min | 0.34% | B+ |
| May 2026 | 8,161 | 76.7% | 59 min | 0.28% | B+ |
| June 2026 | 8,045 | 70.9% | 63 min | 1.16% | C |
Departure window
The best time of day to leave BWI in November
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 20 points, against 4 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am1,118 flights92.9%
- 8am–11am1,800 flights91.2%
- 11am–2pm915 flights83.0%
- 2pm–5pm1,323 flights80.0%
- 5pm–8pm1,365 flights75.4%
- 8pm–5am1,200 flights72.6%
Scale runs 65% to 100%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 92.9% of the time, against 72.6% for the overnight window. That is 20 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8am–11am window is the busiest, with 1,800 flights scheduled in it.
Across the week, Wednesday is the strongest day at 91.9% on time and Sunday the weakest at 70.8%. 21 points is a smaller lever than departure hour, but it is free.
Carrier by carrier
Which airlines ran best at BWI in November
The two carriers here are closely matched: 4 points separate the best from the worst. At that spread, schedule and price are better tie-breakers than reliability. Sample sizes are shown so you can see which rows are worth weighing.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Southwest Airlines | 5,889 | 83.1% | 52 min | 1.73% | B |
| Delta Air Lines | 434 | 87.1% | 96 min | 1.38% | A |
| United Airlinesthin sample | 337 | 82.3% | 82 min | 1.19% | B |
| Spirit Airlinesthin sample | 279 | 83.3% | 81 min | 0.72% | B+ |
| American Airlinesthin sample | 267 | 84.1% | 89 min | 1.12% | B |
| Frontier Airlinesthin sample | 240 | 72.2% | 141 min | 2.50% | C |
| Envoy Airthin sample | 136 | 79.2% | 68 min | 8.09% | B− |
| Republic Airwaysthin sample | 86 | 86.4% | 102 min | 5.81% | A− |
| Alaska Airlinesthin sample | 50 | 78.0% | 22 min | 0.00% | B+ |
No carrier stands out. Delta tops the table at 87.1%, 4 points clear of the bottom, which is inside the range this kind of sample moves year to year.
Route by route
Busiest routes out of BWI in November
| Route | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| BWI to ATL · Atlanta | 468 | 84.6% | 76 min | 1.50% | B |
| BWI to MCO · Orlando | 414 | 81.9% | 66 min | 2.42% | B |
| BWI to BOS · Bostonthin sample | 293 | 85.1% | 71 min | 5.80% | A− |
| BWI to FLL · Fort Lauderdalethin sample | 263 | 79.5% | 60 min | 1.90% | B |
| BWI to CLT · Charlottethin sample | 243 | 87.4% | 73 min | 2.06% | A |
| BWI to DEN · Denverthin sample | 237 | 83.8% | 41 min | 0.84% | B+ |
| BWI to ORD · Chicagothin sample | 216 | 72.9% | 122 min | 6.02% | C− |
| BWI to TPA · Tampathin sample | 203 | 82.2% | 53 min | 2.96% | B |
| BWI to MIA · Miamithin sample | 183 | 78.0% | 63 min | 3.28% | B− |
| BWI to RDU · Raleighthin sample | 160 | 81.8% | 56 min | 3.75% | B− |
| BWI to DTW · Detroitthin sample | 160 | 84.8% | 48 min | 1.25% | B |
| BWI to MDW · Chicagothin sample | 159 | 80.4% | 57 min | 6.29% | B− |
| BWI to PVD · Providencethin sample | 158 | 84.0% | 30 min | 1.27% | B |
| BWI to LAS · Las Vegasthin sample | 156 | 88.4% | 37 min | 0.64% | A+ |
| BWI to DAL · Dallasthin sample | 147 | 84.9% | 51 min | 0.00% | B+ |
| BWI to MHT · Manchesterthin sample | 146 | 89.4% | 71 min | 2.74% | A |
| BWI to ALB · Albanythin sample | 145 | 85.8% | 48 min | 2.76% | A |
| BWI to BUF · Buffalothin sample | 144 | 84.5% | 48 min | 1.39% | B |
| BWI to BDL · Hartfordthin sample | 144 | 88.7% | 45 min | 2.08% | A |
| BWI to BNA · Nashvillethin sample | 143 | 79.7% | 61 min | 0.00% | B+ |
| BWI to LAX · Los Angelesthin sample | 134 | 82.8% | 62 min | 0.00% | B+ |
| BWI to JAX · Jacksonvillethin sample | 130 | 78.5% | 47 min | 0.00% | B+ |
| BWI to HOU · Houstonthin sample | 130 | 82.4% | 55 min | 3.85% | B− |
| BWI to RSW · Fort Myersthin sample | 123 | 79.5% | 65 min | 0.81% | B+ |
| BWI to IAH · Houstonthin sample | 123 | 81.0% | 116 min | 1.63% | B |
Delay causes
What held BWI up in November
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 80,000 reported delay minutes.
- 37%Late-arriving aircraft
- 37%Carrier
- 23%National Airspace System
- 2%Extreme weather
- 0%Security
37% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 80,000 reported delay minutes here, that single category outweighs weather by 16 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 80,347 reported delay minutes.
Cancellations sit at 1.80% against a national 2.49%, which is ordinary. Diversions add another 0.08%.
5.1% of arrivals land an hour or more late, close to the national 7.8%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
What to do with this
Flying from BWI in November
For a November trip through BWI: this is one of the better months to be flying from here, 82.9% on time with 1.80% cancelled. That is a base rate for the month as a whole; a single storm can still spoil a particular day.
Related
Where to go next
- Baltimore/Washington International Thurgood Marshall (BWI), the whole year
- BWI in July66.2%
- BWI in August78.8%
- BWI in September85.5%
- BWI in October81.4%
- BWI in December70.4%
- BWI in January82.9%
- BWI in February83.1%
- BWI in March74.6%
- BWI in April79.9%
- BWI in May76.7%
- BWI in June70.9%
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.