67% of BNA → SEA flights arrived on time in June-August 2026 (475 flights). The most reliable was AS 623, on time 86% of the time on this route. Morning flights did best (79%), evening flights worst (53%). Nashville (BNA): no delay reported. Seattle (SEA): no delay reported.
Best time of day to fly BNA → SEA
| Morning (before noon) | |
| Evening (after 5 PM) |
Flights BNA → SEA, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| AS 623 Alaska Airlines | 9:25 AM | 0% | |
| DL 372 Delta | 7:00 AM | 2.2% | |
| DL 543 Delta | 5:20 PM | 0% | |
| AS 281 Alaska Airlines | 7:02 AM | 1.2% | |
| DL 1710 Delta | 5:20 PM | 1.6% | |
| AS 469 Alaska Airlines | 6:03 PM | 1.2% | |
| DL 373 Delta | 5:15 PM | 3.7% | |
| WN 4784 Southwest | 5:15 PM | 1.4% |
BNA conditions · SEA conditions · SEA → BNA · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.